THE DOOR

"An ordinary man walking his dog who ultimately saves humanity!" - THE DOOR has that, and more twists than a Celtic knot. What more does a science fiction mystery require?

Henry Mackay and his dog, Addy, regularly walk alongside an ancient convent wall. Today, as he passes the door, he glances at its peeling paint.

Moments later he stops dead in his tracks. He returns to the spot, and all he sees is an ivy-covered wall. The door has vanished. Had it ever been there? He begins to doubt his sanity.

An ill-advised curiosity results in him unwittingly embarking on an exciting trail of events with twists, turns, quantum entanglement and temporal anomalies. It becomes an unbelievable adventure to save humanity which you’ll be unable to put down.

The Door is an intriguing and unique science fiction mystery from the pen of Tony Harmsworth, the First Contact specialist who writes in the style of many of the old masters. Discover the astonishing secrets being concealed by The Door today!

2019 UK BESTSELLER IN BOTH HARD & HIGH TECH SCIENCE FICTION.

FEDERATION - Trilogy Book One

A gripping, provocative vision of humanity’s future. Alien‑utopia‑meets‑human‑chaos, outsider‑POV mystery, political sci‑fi.

First contact wasn’t the miracle we hoped for. It was the test we failed.

When a galactic empire of 250,000 worlds unexpectedly discovers Earth, their simple request, “Take me to your leader” throws humanity into chaos. With no unified government and no shared vision for the planet’s future, world powers scramble to respond. The aliens’ society is unlike anything humanity has ever imagined: a seemingly utopian civilisation supported by AI automatons and built on a philosophy that challenges every political and economic system on Earth. The visitors offer astonishing technology, peace, and a place among the stars. Yet every gift comes with a test, and every test exposes another of Earth’s failures.

As global tensions rise, one question looms: Are these visitors humanity’s greatest opportunity… or its greatest threat?

Federation is Book 1 of the Federation Trilogy, blending near‑future political intrigue, first‑contact tension, and thought‑provoking social commentary. Will human beings turn their backs on the AI utopian dream? For fans of first‑contact sci‑fi and mystery woven into alien diplomacy.

FEDERATION - Trilogy Book One

A gripping, provocative vision of humanity’s future. Alien‑utopia‑meets‑human‑chaos, outsider‑POV mystery, political sci‑fi.

First contact wasn’t the miracle we hoped for. It was the test we failed.

When a galactic empire of 250,000 worlds unexpectedly discovers Earth, their simple request, “Take me to your leader” throws humanity into chaos. With no unified government and no shared vision for the planet’s future, world powers scramble to respond. The aliens’ society is unlike anything humanity has ever imagined: a seemingly utopian civilisation supported by AI automatons and built on a philosophy that challenges every political and economic system on Earth. The visitors offer astonishing technology, peace, and a place among the stars. Yet every gift comes with a test, and every test exposes another of Earth’s failures.

As global tensions rise, one question looms: Are these visitors humanity’s greatest opportunity… or its greatest threat?

Federation is Book 1 of the Federation Trilogy, blending near‑future political intrigue, first‑contact tension, and thought‑provoking social commentary. Will human beings turn their backs on the AI utopian dream? For fans of first‑contact sci‑fi and mystery woven into alien diplomacy.

To buy for Kindle, click Amazon

FEDERATION & EARTH - Federation Trilogy Book Two.

A tense, political sci-fi thriller. First contact fallout meets rising rebellion, alien observers watch humanity fracture, and ideological warfare erupts as the planet fights to prove it deserves a place in the stars.

Humanity wanted first contact. It wasn’t ready for what came next.

After the shocking events that ended Federation, Earth is thrown into political chaos. Power vacuums open. Old alliances fracture. And under the watchful eyes of the alien Federation, the world begins to tear itself apart.

In the United States, a newly installed president fights to cement his authority, while a rising insurgent movement calling itself FREE AMERICA vows to overthrow what it sees as an illegitimate regime. Across the globe, the new Secretary General of the United Nations struggles to rebuild international cooperation, desperate to prevent global collapse.

All the while, the Federation remains in orbit… observing. Waiting. Will they intervene to help humanity stabilise? Or will they simply watch as Earth spirals toward self destruction?

Bold, provocative, and unafraid to challenge political assumptions, Federation & Earth pushes the trilogy into deeper, more explosive territory. This is speculative science fiction that asks uncomfortable questions—and refuses to offer easy answers.

Federation and Earth is Book 2 of the Federation Trilogy, blending near future political intrigue, a rebel uprising, and ideological warfare. Will human beings turn their backs on the AI utopian dream? For fans of political sci fi and mystery woven into alien diplomacy.

Publisher’s note: We advise reading the trilogy in order for the best experience.

FEDERATION & EARTH - Federation Trilogy Book Two.

A tense, political sci-fi thriller. First contact fallout meets rising rebellion, alien observers watch humanity fracture, and ideological warfare erupts as the planet fights to prove it deserves a place in the stars.

Humanity wanted first contact. It wasn’t ready for what came next.

After the shocking events that ended Federation, Earth is thrown into political chaos. Power vacuums open. Old alliances fracture. And under the watchful eyes of the alien Federation, the world begins to tear itself apart.

In the United States, a newly installed president fights to cement his authority, while a rising insurgent movement calling itself FREE AMERICA vows to overthrow what it sees as an illegitimate regime. Across the globe, the new Secretary General of the United Nations struggles to rebuild international cooperation, desperate to prevent global collapse.

All the while, the Federation remains in orbit… observing. Waiting. Will they intervene to help humanity stabilise? Or will they simply watch as Earth spirals toward self destruction?

Bold, provocative, and unafraid to challenge political assumptions, Federation & Earth pushes the trilogy into deeper, more explosive territory. This is speculative science fiction that asks uncomfortable questions—and refuses to offer easy answers.

Federation and Earth is Book 2 of the Federation Trilogy, blending near future political intrigue, a rebel uprising, and ideological warfare. Will human beings turn their backs on the AI utopian dream? For fans of political sci fi and mystery woven into alien diplomacy.

Publisher’s note: We advise reading the trilogy in order for the best experience.

To buy for Kindle, click Amazon

HIDDEN FEDERATION - Federation Trilogy Book Three.

A sweeping, history shaping clash of past and future. Ancient alien secrets meet Earth’s final rebellion, outsider POV galactic lore collides with political upheaval, and humanity faces the ultimate test of whether it can evolve.

The explosive finale where humanity’s future collides with the Federation’s ancient past.

Alien professor Yol Rummy Blin Breganin returns to complete his study of Earth, but this time he opens the door to the long buried history of the Federation itself, revealing the civil wars, the rise of artificial intelligence, catastrophic mistakes, and political evolutions that shaped the vast galactic empire humanity has only just encountered.

On Earth, the situation is spiralling. The United States—the last independent nation—faces rising authoritarianism, and with California in open revolt, even its remaining freedom hangs by a thread. Meanwhile, in the Federation controlled territories, life has become almost too perfect. Comfort, luxury, and stability tempt humanity toward complacency… or toward repeating the same destructive patterns that ruined every utopia before.

As unrest grows on Earth and revelations from millennia of alien history come to light, the question becomes unavoidable: Can humanity break its cycle of chaos—or will it drag the Federation down with it?

Packed with political tension, sweeping galactic lore, and the trilogy’s signature outsider observer perspective, Hidden Federation delivers a powerful, thought provoking conclusion to Tony Harmsworth’s first contact epic.

Publisher’s note: We advise reading the trilogy in order for the best experience.

HIDDEN FEDERATION - Federation Trilogy Book Three.

A sweeping, history shaping clash of past and future. Ancient alien secrets meet Earth’s final rebellion, outsider POV galactic lore collides with political upheaval, and humanity faces the ultimate test of whether it can evolve.

The explosive finale where humanity’s future collides with the Federation’s ancient past.

Alien professor Yol Rummy Blin Breganin returns to complete his study of Earth, but this time he opens the door to the long buried history of the Federation itself, revealing the civil wars, the rise of artificial intelligence, catastrophic mistakes, and political evolutions that shaped the vast galactic empire humanity has only just encountered.

On Earth, the situation is spiralling. The United States—the last independent nation—faces rising authoritarianism, and with California in open revolt, even its remaining freedom hangs by a thread. Meanwhile, in the Federation controlled territories, life has become almost too perfect. Comfort, luxury, and stability tempt humanity toward complacency… or toward repeating the same destructive patterns that ruined every utopia before.

As unrest grows on Earth and revelations from millennia of alien history come to light, the question becomes unavoidable: Can humanity break its cycle of chaos—or will it drag the Federation down with it?

Packed with political tension, sweeping galactic lore, and the trilogy’s signature outsider observer perspective, Hidden Federation delivers a powerful, thought provoking conclusion to Tony Harmsworth’s first contact epic.

Publisher’s note: We advise reading the trilogy in order for the best experience.

"Most intriguing and different sci-fi book I've ever read." Reader Review

High-stakes near-future science fiction doesn’t get more mind-bending than a planet-wide body swap, as an astrophysicist father races through London to find his family.

One star goes supernova. Millions wake up in the wrong bodies.

Astrophysicist Geoff Arnold opens his eyes to a face he doesn’t recognize and a world that no longer makes sense. Overnight, a blast from Betelgeuse has scrambled humanity: minds in strangers, minds in animals, families scattered, the rules of identity and law rewritten on the fly.

Geoff wants one thing: to find his wife and children, yet every street, hospital, and government office is another lesson in what it means to be a person when nothing familiar remains.

Scientists race to explain the upheaval. Politicians improvise policies. Black-market clinics whisper about a “solution” that only copies who you are. As protests flare and heartbreaking choices multiply, Geoff must navigate a planet learning—sometimes tenderly, sometimes brutally—how to live with new bodies, new rights, and the oldest moral questions suddenly made urgent.

If he fails, he could lose his family forever. If the world fails, compassion might be the first casualty.

Supernova, book one of the Mindslip Universe, delivers humane, thought-provoking science fiction with page-turning momentum and unforgettable moments of empathy. Perfect for readers who love unique, original concepts that linger long after the last page.

Publisher’s note: Supernova was previously published as Mindslip.

SUPERNOVA IS ALSO AVAILABLE AS AN AUDIBLE AUDIOBOOK UNDER THE ORIGINAL NAME, MINDSLIP - SEE BELOW

The ebook and paperback have been published under the name SUPERNOVA.

After Betelgeuse goes supernova, astrophysicist Geoff Arnold is amazed at his change of body. Then he discovers that his wife and children have vanished into a world he can hardly recognise.

Can he find them and save the world from the effects of Mindslip?

Tony Harmsworth has taken the world and shaken it violently to create a mind-bending and astonishing, near-future novel in the style of John Wyndham - remember how his books kept you awake at night? [Midwich Cuckoos, Trouble With Lichen, Chrysalids etc.]

You will never look at gender, race, ageing or your pet the same way again after listening to Mindslip.

There have been several comedic or tongue-in-cheek films on this subject, but never has it been treated so seriously. Just read the reviews on Amazon - they are amazing.

MINDSLIP PROMISES TO BE ONE OF THE CLASSICS

When a relentless solar crisis dooms Earth, who gets a ticket to the stars? A tense, near-future apocalyptic sci-fi exploring global triage, climate disaster, and a desperate race against time to build humanity's final arks.

The world won’t cool. Who gets saved?

Years after the Mindslip, Earth is running a fever that won’t break. Satellites fail, coasts empty, and borders harden as heat records fall week after week. Scientist Beth Arnold wants one thing: keep her family safe while the world chooses a future that won’t kill it.

Governments and space agencies sketch four imperfect plans. Dig refuges under Antarctica. Expand a moon base. Throw vast resources at stopgap fixes that buy a few scorched years. Or commit to the audacious build of a starship that could carry a fragment of humanity to another sun.

Each path saves some and abandons others. Each demands decisions about who counts. As supplies tighten and protests flare, Beth is pulled into the brutal arithmetic of triage, where every meeting means winners and ghosts.

The countdown is real; the choice will define a species.

Scorched Earth, book two of the Mindslip Universe, is a mind-bending, thought-provoking leap from identity shock to planetary triage and a starship bid for tomorrow. Perfect for readers who love unique, original concepts that linger long after the last page.

Publisher’s note: Scorched Earth was previously published as HEAT.

An Audible version will follow soon.

When humanity’s last generation ship reaches a habitable new world, what happens if it's already occupied? A tense, high-stakes hard science fiction thriller of survival and fragile first contact, where empathy may be the only thing that keeps them human.

Eighty years in deep space. One chance at a new home.

Humanity’s last remnants cross the stars aboard the generational ship Kepler, fleeing a dying Earth. Selected from millions for their brilliance, siblings Geoffrey and Caroline Arnold-Pointer join a crew of two thousand sent into the void, leaving everything behind for a future they may never live to see.

But the journey is a pressure cooker. Micrometeor strikes, disease, fires, and unrest turn survival into ruthless maths, where every decision saves some and costs others. Keeping the ship intact is hard enough. Keeping a society intact may be impossible.

When Kepler finally reaches a lush world the crew names Hacienda, hope fractures again. The planet is already home to an intelligent alien species, and first contact becomes a fragile test of empathy, fear, and restraint. With a rogue human faction pushing for conquest, one misstep could end humanity’s only chance at a future.

Kepler’s Children, book three of the Mindslip Universe, blends big ideas with intimate stakes as a new generation fights to keep hope alive without becoming the thing they fled.

An Audible version will follow late in 2026 or early 2027.

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FREE FOR UK READERS from the Amazon link & FREE WITH CLUB SIGN-UP for everyone else.

Mark Noble thought becoming the youngest person to walk on the moon would be his greatest achievement.

He was wrong.

When a meteor strike cripples his lunar lander during descent to Moonbase, Mark and his injured pilot crash in a hidden ravine with no way to signal for help. With oxygen running low and rescue teams searching in the wrong place, Mark faces an impossible choice: wait to die or attempt a suicidal climb up Mount Morgan to reach radio range.

His first moonwalk may be his last.

A prequel novella to the Mark Noble Edge of the Void series

If you like realistic, hard science fiction, you'll enjoy this one.

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Set in the first moonbase, a mundane survey of a crater ends up with a hitch-hiker being taken back to the habitat on the buggy.

What follows is a helter-skelter adventure to save the Earth.

This is the first in a series about astronaut Mark Noble. Once the moon problem is resolved, the team head off to Trappist-1 using a newly discovered space-folding drive.

Harmsworth's plot twists will not allow you to put this book down.

If you like realistic, hard science fiction, you'll enjoy this one.

Set in the first moonbase, a mundane survey of a crater ends up with a hitch-hiker being taken back to the habitat on the buggy.

What follows is a helter-skelter adventure to save the Earth.

This is the first in a series about astronaut Mark Noble. Once the moon problem is resolved, the team head off to Trappist-1 using a newly discovered space-folding drive.

If you like realistic, hard science fiction, you'll enjoy this one.

This Audible edition was released just prior to Christmas 2022. It is brought to life by Caprica actor, Luke Welland and the audio skills of Joe Souliere. Listen to the sample.

MOONSTRUCK NOW AVAILABLE ON AUDIBLE

After the frantic escape from the moon at the end of Moonscape, Mark has only just recovered when he discovers that the United States, together with the Chinese and Russians, are planning an invasion of Moonbase, and they want him to command it.

Penny, an old flame of Mark’s, is on the mission and this infuriates wife Linda, who has been grounded. Twenty-six others form the crew. Not only is it the biggest space expedition in history, but it also represents the most people ever to have been on the moon at the same time, and the most manned spacecraft in orbit too. Can Mark control the fourteen strong military contingent? As the story develops, he realises that he does not have as much authority as he believed.

Once again, Harmsworth has combined hard science fiction together with a fanciful, yet plausible story with totally convincing characters.

If Mark has international cooperation and support, how could anything go wrong? Surely a single offensive should be enough? No. The vicious mid-story plot-twist changes everything.

Find out what happens in Moonstruck today.

To buy for Kindle, click Amazon

Following the 2030's discovery of quantum spolding (space folding), interstellar exploration becomes a possibility. NASA, together with private space exploration companies, begin work on the complex physics, technology, and hardware to turn it into reality.

After a test flight to Mars, more hazardous than anyone anticipated, the starship Spirit and its two Rimor shuttles set off for the dwarf red star, Trappist-1, almost forty light years from the solar system. Haven, the fifth Trappist planet, has continents and seas, icecaps, glaciers and mountains, but the ubiquitous plant life they find is, at first, dull and uninteresting.

However, it doesn’t take long for them to discover that Haven isn’t a place on which to find shelter. It does, in fact, have the most terrifying secret, only discovered during the last day of the expedition. As realisation dawns, Mark and his team end up in an existential struggle.

When they finally appear to have resolved their disastrous visit to the planet’s surface, they discover an even bigger surprise awaiting them in orbit. It promises so much. Could it be enough to revitalise the whole mission and turn failure into success?

Harmsworth’s Mark Noble Space Adventures, of which Trappist-1 is book three, contain no space battles, or fantasy environments, but follow real science as closely as possible. Having said that, in order to travel between the stars, there must some suspension of belief to allow for the development of quantum spolding, for which Tony requires your forgiveness. Who knows, though, whether it might foretell the future?

In this story, Tony blends hard science fiction with a large dollop of imagination, and a substantial pinch of horror to add flavour.

THE AUDIBLE VERSION OF TRAPPIST-1

Following the 2030 discovery of quantum spolding (space folding), interstellar exploration becomes a possibility. NASA, together with private space exploration companies, begin work on the complex physics, technology, and hardware to turn it into reality.

After a test flight to Mars, more hazardous than anyone anticipated, the starship Spirit and its two Rimor shuttles set off for the dwarf red star, Trappist-1, almost forty light years from the solar system. Haven, the fifth Trappist planet, has continents and seas, icecaps, glaciers and mountains, but the ubiquitous plant life they find is, at first, dull and uninteresting.

However, it doesn’t take long for them to discover that Haven isn’t a place on which to find shelter. It does, in fact, have the most terrifying secret, only discovered during the last day of the expedition. As realisation dawns, Mark and his team end up in an existential struggle to survive.

When they finally appear to have resolved their disastrous visit to the planet’s surface, they discover an even bigger surprise awaiting them in orbit. It promises so much. Could it be enough to revitalise the whole mission and turn failure into success?

Harmsworth’s Mark Noble Space Adventures, of which Trappist-1 is book three, contain no space battles, or fantasy environments, but follow real science as closely as possible. Having said that, in order to travel between the stars, there must some suspension of belief to allow for the development of quantum spolding, for which Tony requires your forgiveness. Who knows, though, whether it might foretell the future?

In this story, Tony blends hard science fiction with a large dollop of imagination, and a substantial pinch of horror to add flavour.

Trappist-1 will have you hanging on every word.

To buy for Kindle, click Amazon

At the end of Trappist-1, book 2, the depleted crew make the horrific discovery that something has gone terribly wrong. The world is different, satellites have vanished, the space station has gone, and only astrophysicist Mary has the slightest idea why.

After the shocking revelation that the problem was caused by the spolding drive, the crew try to analyse what happened and how they might return to their own Earth. Is backtracking the answer? They decide that they have no alternative other than to try. If it didn’t work, they could wander, lost, through the local universe until their supplies eventually ran out.

Back in the Trappist-1 system, they learn that things have changed there too, but the biggest surprise is encountered when they orbit the frozen surface of icy planet G. They hear distinct radio signals from the surface.

The discovery makes it even more imperative to return to Earth, and soon. There is far more at stake than just the lives of the Spirit crew. Hundreds more are threatened with the inevitability of a long drawn out death.

Just when plans are beginning to look promising, another paradox hits the crew. One with incredible repercussions.

Mark and the team have returned from deep space and discover that NASA seems to be run by AI robots. They are met by one in Earth orbit which refuses to allow them to communicate with Houston and also has locked the visiting scientists from Herade in the passenger compartment. It assumes the aliens are animals and stops all communication between the two species.

Finally, Mark, Anna, Bill, Chan and Mary are shipped back to Earth, but the reception they receive is totally unexpected and frightening. What has happened to their friends and colleagues while they've been away?

In part two, Earth welcomes the Heradians, Mark's team are discussing how much help they need to occupy their original world in the Trappist-1 system. Development work on the spolding drive has meant that an expedition is also being planned to the pristine Earth the team had accidentally stumbled upon on the first main Trappist-1 expedition.

Just when they begin discussing the plan, Anna walks into the office and announces more information on a vague signal being received from deep in the solar system between the orbits of Saturn and Uranus.

What is it, and why does it lead to a spolding expedition to Nu Lupi, almost fifty lightyears from Earth?

With all the current fuss about AI and whether or not it is a force for good or evil, this story will give you the shivers. AI has the potential to be amazing and even save the planet, but if it is not controlled, it could wipe us out, exactly as this story suggests.

In part one, Mark and the team return to the pristine Earth they discovered during their Trappist-1 adventure.

They are no humans on the planet, the closest relatives being chimpanzees and gorillas. As the exploration continues, an entire group of scientists suddenly vanishes. The alarm is raised and Mark, accompanied by the military sets out to investigate. They, too, unexpectedly vanish without trace. Something or someone is kidnapping the explorers from Earth. Who, or what, is the enemy?

In part two, another team is 500 lightyears from Earth at Kepler 165F. The planet has a massive amount of civilisation infrastructure, but the explorers cannot find any people. Did they die out? Did they leave? When Roy’s team decide to return to orbit, the engines refuse to fire. Some unknown force seems to be stopping their escape.

It becomes even more sinister when they are joined by astronautic engineers who can get the tank engines to fire, but not when attached to the Rimor (shuttle). Strangely, the whole stack can be fired, but not if there are any astronauts on board. How can this be? The force is strangely targeting the humans. There are now seven astronauts on the surface with no way to return to orbit or to home.

The sole remaining crew member of the Orion, Carol Appin, returns to the solar system to bring the news to NASA. Mark’s team are tasked with solving the mystery. If they fail, they’ll be permanently marooned on Pangu.

Her third target is an ancient orbiting artefact* – and it hadn’t been launched by any nation on Earth. What was it? Where had it come from? What was its purpose?

Governments were quick to slap TOP SECRET on it, but Evelyn had other ideas. Humankind’s most amazing discovery deserved better than being buried in some secret military bunker.

The Visitor tells of Evelyn’s attempts to enlighten the world, but will the world want to be enlightened?

*British spelling

UK KINDLE BESTSELLER IN THREE CATEGORIES - FIRST CONTACT, HARD & HIGH TECH SCIENCE FICTION

The Visitor now available on audio.

Her third target is an ancient orbiting artefact* – and it hadn’t been launched by any nation on Earth. What was it? Where had it come from? What was its purpose?

Governments were quick to slap TOP SECRET on it, but Evelyn had other ideas. Humankind’s most amazing discovery deserved better than being buried in some secret military bunker.

The Visitor tells of Evelyn’s attempts to enlighten the world, but will the world want to be enlightened?

*British spelling

UK KINDLE BESTSELLER IN THREE CATEGORIES - FIRST CONTACT, HARD & HIGH TECH SCIENCE FICTION

LOCH NESS, NESSIE AND ME - is the first book written on the subject by someone who has lived overlooking Loch Ness for more than forty years.

A must-read for anyone curious about mysterious phenomena.

For more than half a century, the mystery of the Loch Ness Monster has fascinated believers, sceptics, scientists and dreamers alike. But for Tony Harmsworth, Nessie was never just a legend. She became part of a lifelong personal journey.

In Loch Ness, Nessie and Me, Harmsworth combines memoir, mystery, travel writing and cryptozoological investigation in an engaging exploration of one of the world’s most enduring unsolved phenomena. From childhood fascination to living almost fifty years on the lochside, he traces both the history of the monster and his own evolving relationship with the mystery. This comprehensive book covers the area’s geography, geology and natural history; the evidence pro and con Nessie; and the way the famous mystery has changed the industry surrounding the loch.

Blending eyewitness accounts, folklore, media history and personal reflection, the book examines why Nessie continues to capture imaginations across generations. Was there ever something unexplained in the dark waters of Loch Ness? Why do some people believe so passionately while others dismiss the mystery entirely? And what does our fascination with hidden creatures reveal about human curiosity itself?

Set against the atmospheric backdrop of the Scottish Highlands, this thoughtful and often nostalgic book is not a dry scientific study nor an attempt at sensational debunking. Instead, it is a warm, intelligent and open-minded exploration of mystery, belief, folklore and the enduring appeal of the unknown.

Ideal for readers interested in Loch Ness, cryptozoology, unexplained phenomena, Scottish folklore and personal journeys of discovery, Loch Ness, Nessie and Me will especially appeal to fans of Fortean mysteries, paranormal history and reflective non-fiction with a strong sense of place and personality.

It contains all the most important photographs, and sonar charts, which are analysed in detail.

For anyone who has ever stared into dark water and wondered what might still remain undiscovered, this book offers both companionship and intrigue.