DOCTOR WHO

Castle Extremis - whoever holds it can control the provinces either side that have been at war for centuries. Now the castle is about to play host to the signing of a peace treaty. But as the Doctor and Martha find out, not everyone wants the war to end.

Who is the strange little girl who haunts the castle? What is the secret of the book the Doctor finds, its pages made from thin, brittle glass? Who is the hooded figure that watches from the shadows? And what is the secret of the legendary Mortal Mirror?

The Doctor and Martha don't have long to find the answers - an army is on the march, and the castle will soon be under siege once more...

Featuring the Tenth Doctor and Martha as played by David Tennant and Freema Agyeman in the hit sci-fi series from BBC Television.

'This is the Gyre - the most hostile environment in the galaxy...'

250,000 years' worth of junk floating in deep space, home to the shipwrecked Sittuun, the carnivorous Sollogs, and worst of all - the Humans. The Doctor and Amy arrive on this terrifying world in the middle of an all-out frontier war between Sittuun and Humans, and the countdown has already started. There's a comet in the sky, and it's on a collision course with the Gyre...

When the Doctor is kidnapped, it's up to Amy and "galaxy-famous swashbuckler" Dirk Slipstream to save the day. But who is Slipstream, exactly? And what is he really doing here?

A thrilling, time travel adventure featuring the Eleventh Doctor and Amy, as played by Matt Smith and Karen Gillan in the spectacular hit series from BBC Television

A forgotten enemy. An old adversary. A terrible alliance.

From a ruined world at the end of time, the vicious Sild make preparations to conquer the past and rewrite history. But to do it they will need to enslave an intellect greater than their own...

On Earth, UNIT is called in to examine a mysterious incident on a North Sea drilling platform. They've hardly begun, though, when something even stranger takes hold: The Brigadier and others are starting to forget about UNIT's highest-profile prisoner.

As the Sild invasion begins, the Doctor faces a terrible dilemma. To save the universe, he must save his arch-nemesis... The Master.

Hyperville is 2013's top hi-tech 24-hour entertainment complex - a sprawling palace of fun under one massive roof. You can go shopping, or experience the excitement of Doomcastle, WinterZone, or Wild West World. But things are about to get a lot more exciting - and dangerous...

What unspeakable horror is lurking on Level Zero of Hyperville? And what will happen when the entire complex goes over to Central Computer Control?

For years, the Nestene Consciousness has been waiting and planning, recovering from its wounds. But now it's ready, and its deadly plastic Autons are already in place around the complex. Now more than ever, visiting Hyperville will be an unforgettable experience...

Featuring the Doctor as played by David Tennant in the hit Doctor Who BBC Television series.

India in 1947 is a country in the grip of chaos - a country torn apart by internal strife. When the Doctor and Donna arrive in Calcutta, they are instantly swept up in violent events.

Barely escaping with their lives, they discover that the city is rife with tales of 'half-made men', who roam the streets at night and steal people away. These creatures, it is said, are as white as salt and have only shadows where their eyes should be.

With help from India's great spiritual leader, Mohandas 'Mahatma' Gandhi, the Doctor and Donna set out to investigate these rumours.

What is the real truth behind the 'half-made men'? Why is Gandhi's role in history under threat? And has an ancient, all-powerful god of destruction really come back to wreak his vengeance upon the Earth?

Featuring the Tenth Doctor and Donna as played by David Tennant and Catherine Tate in the hit Doctor Who series from BBC Television.

'The Squall feed on psychic energy. They spread like a plague and if they are not stopped they will strip the Earth clean...'

London 1910: an unsuspecting thief finds himself confronted by grey-skinned creatures that are waiting to devour his mind. London 2789: the remains of an ancient android are dredged from the Thames. When reactivated it has a warning that can only be delivered to a man named 'the Doctor'.

The Doctor and his friends must solve a mystery that has spanned over a thousand years. If they fail, the deadly alien Squall will devour the world.

A thrilling all-new adventure featuring the Doctor, Amy and Rory, as played by Matt Smith, Karen Gillan and Arthur Darvill in the spectacular hit Doctor Who series from BBC Television.

Earth, 2099. Global warming is devastating the climate. The polar ice caps are melting.

In a desperate attempt at preservation, the governments of the world have removed vast sections of the Arctic and Antarctic and set them inside huge domes across the world. The Doctor and Martha arrive in Snowglobe 7 in the Middle East, hoping for peace and relaxation. But they soon discover that it's not only ice and snow that has been preserved beneath the Dome.

While Martha struggles to help with an infection sweeping through the Dome, the Doctor discovers an alien threat that has lain hidden since the last ice age. A threat that is starting to thaw.

Featuring the Doctor and Martha as played by David Tennant and Freema Agyeman in the hit series from BBC Television.

'Let me tell you a story. Long ago, in the frozen Arctic wastes, an alien army landed. Only now, 10,000 years later, it isn't a story. And the army is ready to attack.'

New York - one of the greatest cities on 21st century Earth... But what's going on in the Museum? And is that really a Woolly Mammoth rampaging down Broadway? An ordinary day becomes a time of terror, as the Doctor and Amy meet a new and deadly enemy. The vicious Army of the Vykoid are armed to the teeth and determined to enslave the human race. Even though they're only seven centimetres high.

With the Vykoid army swarming across Manhattan and sealing it from the world with a powerful alien force field, Amy has just 24 hours to find the Doctor and save the city. If she doesn't, the people of Manhattan will be taken to work in the doomed asteroid mines of the Vykoid home planet. But as time starts to run out, who can she trust? And how far will she have to go to free New York from the Forgotten Army?

A thrilling, science fiction adventure featuring the Eleventh Doctor and Amy, as played by Matt Smith and Karen Gillan in the spectacular hit Doctor Who series from BBC Television

When the TARDIS makes a disastrous landing in the swamps of the planet Sunday, the Doctor has no choice but to abandon Martha and try to find help. But the tranquillity of Sunday's swamps is deceptive, and even the TARDIS can't protect Martha forever.

The human pioneers of Sunday have their own dangers to face: homeless and alone, they're only just starting to realise that Sunday's wildlife isn't as harmless as it first seems. Why are the native otters behaving so strangely, and what is the creature in the swamps that is so interested in the humans, and the new arrivals?

The Doctor and Martha must fight to ensure that human intelligence doesn't become the greatest danger of all.

Featuring the Tenth Doctor and Martha as played by David Tennant and Freema Agyeman in the hit Doctor Who series from BBC Television.

The Wheel. A ring of ice and steel around a moon of Saturn, and home to a mining colony supplying Earth. It’s a bad place to grow up.

The colony has been plagued by problems and there are stories of mysterious creatures glimpsed aboard the Wheel. Many of the younger workers refuse to go down the warren-like mines anymore. And then young Phee Laws, surfing Saturn’s rings, saves an enigmatic blue box from destruction.

Aboard the Wheel, the Doctor, Jamie and Zoe find themselves caught in a mystery that goes right back to the creation of the solar system. A mystery that could kill them all.

"We need to reach out. We need to continue the line..."

On a windswept northern shore, the islanders believe the worst they have to fear is a Viking attack. Then the burning comes. Water will not stop it. It consumes everything in its path - yet the burned still speak.

The Doctor encounters a people under attack from a power they cannot possibly understand. They have no weapons, no strategy and no protection against a fire sent to engulf them all. The islanders must take on a ruthless alien force in a world without technology; but at least they have the Doctor on their side... Don't they?

A thrilling adventure starring the Doctor, as played by Matt Smith.

The Novrosk Peninsula: the Soviet naval base has been abandoned, the nuclear submarines are rusting and rotting. Cold, isolated, forgotten. Until the Russian Special Forces arrive and discover that the Doctor and his companions are here too.

But there is something else in Novrosk. Something that predates even the stone circle on the cliff top. Something that is at last waking, hunting, killing. Can the Doctor and his friends stay alive long enough to learn the truth?

With time running out, they must discover who is really responsible for the Deviant Strain...

Featuring the Ninth Doctor as played by Christopher Eccleston, together with Rose and Captain Jack as played by Billie Piper and John Barrowman in the hit Doctor Who series from BBC Television.

When the TARDIS materialises in medieval Worcester, the Doctor finds the city seemingly deserted. He soon discovers its population are living in a state of terror, afraid to leave their homes after dark, for fear of meeting their doom at the hands of the legendary Devil's Huntsman.

For months, people have been disappearing, and the Sheriff has imposed a strict curfew across the city, his militia maintaining control over the superstitious populace with a firm hand, closing the city to outsiders. Is it fear of attack from beyond the city walls that drives him or the threat closer to home? Or does the Sheriff have something to hide?

After a terrifying encounter with a deadly Krillitane, the Doctor realises the city has good reason to be scared.

Featuring the Tenth Doctor as played by David Tennant in the hit Doctor Who BBC Television series.

1500BC - King Actaeus and his subjects live in mortal fear of the awesome gods who have come to visit their kingdom in ancient Greece. Except the Doctor, visiting with university student June, knows they're not gods at all. They're aliens.

For the aliens, it's the perfect holiday - they get to tour the sights of a primitive planet and even take part in local customs. Like gladiatorial games, or hunting down and killing humans who won't be missed.

With June's enthusiastic help, the Doctor soon meets the travel agents behind this deadly package holiday company - his old enemies the Slitheen. But can he bring the Slitheen excursion to an end without endangering more lives? And how are events in ancient Greece linked to a modern-day alien plot to destroy what's left of the Parthenon?

Featuring the Tenth Doctor as played by David Tennant in the hit Doctor Who BBC Television series.

Rose and the Doctor return to present-day Earth, and become intrigued by the latest craze – the video game, Death to Mantodeans. Is it as harmless as it seems? And why are so many local people going on holiday and never returning? Meanwhile, on another world, an alien war is raging. The Quevvils need to find a new means of attacking the ruthless Mantodeans.

Searching the galaxy for cunning, warlike but gullible allies, they find the ideal soldiers on Earth. Will Rose be able to save her family and friends from the alien threat? And can the Doctor play the game to the end and win?

Featuring the Ninth Doctor and Rose as played by Christopher Eccleston and Billie Piper in the hit science fiction series from BBC Television

First published in 2005

When the Ninth Doctor lands in the town of Kennet, he finds that something is terribly wrong. The people are scared. They don't like going out at night, they don't like making too much noise, and they certainly don't like strangers asking questions. What alien force has invaded the town and why is it watching barmaid Alison Cheney?

The Ninth Doctor is sardonic, witty, compassionate, and tired of how foolish humans can be. He has lived through things his predecessors never dreamed of but has difficulty with things that those before him have taken for granted. He has secrets that may put him, Alison, and the whole world in danger.

The Doctor is helped by his new military liaison Major Kennet and his Royal Green Jacket troops. Starting with a small community under threat, this Doctor Who story takes in the entire world, from New Zealand to India, Siberia to the USA, and cosmic expanses beyond.

Originally published in 2004.