Gallifrey is in a state of crisis, facing destruction at the hands of an overwhelming enemy. And the Doctor is involved in three different incarnations - each caught up in a deadly adventure, scattered across time and space. The web of time is threatened - and someone wants the Doctor dead. The three incarnations of the Doctor must join together to set time back on the right track - but in doing so, will they unleash a still greater threat?

The universe stands on the brink of a dimensional crisis - and the Doctor and Raine are pulled into the very epicentre of it. Meanwhile, on Earth, UNIT scientific advisor Dr Elizabeth Klein and an incarnation of the Doctor she's never encountered before are tested to the limit by a series of bizarre, alien invasions. At the heart of it all is a terrible secret, almost as old as the Time Lords themselves.

The Lost Stories: adventures that were originally written for the Doctor Who television series but never made. Now available to hear for the first time.... The Doctor and Peri have been on holiday, visiting old friend Reverend Foxwell in the sleepy English village of Hollowdean. But why are their memories so hazy? Piecing together events, they recall a mysterious chauffeur who is not what he seems and Foxwell's experiments that could alter the nature of reality.

The prehistoric Earth is dying. Thunderclouds roll across the skies, cloaking the land in darkness. The seas crash and boil as the rain turns to acid. The remnants of the Silurian race place themselves in suspended animation deep below the surface. One day they will awaken and reclaim their world.... The Tardis has landed on the Galapagos Islands, a desolate outcrop of rocks shrouded in mist and fear.

A new edition of the collection featuring each of the Doctor's full-cast BBC radio adventures—and more. Also included in this new edition is a 45-minute conversation with Elisabeth Sladen, recorded exclusively for BBC Audio in 2004.

The continuing adventures of Henry Gordon Jago and George Litefoot, characters first introduced on television in Doctor Who: The Talons of Weng-Chiang (1977), who have become Infernal Investigators, solving mysteries involving paranormal or alien phenomena in 1880s London.

In his first-ever Doctor Who novel, Tom Baker’s incredible imagination is given free rein. A story so epic it was originally intended for the big screen, Scratchman is a gripping, white-knuckle thriller almost 40 years in the making. The Doctor, Harry and Sarah Jane Smith arrive at a remote Scottish island when their holiday is cut short by the appearance of strange creatures - hideous scarecrows who are preying on the local population. The islanders are living in fear, and the Doctor vows to save them all.

The Doctor and Peri find themselves in the Museum of Aural Antiquities, where every sound is stored for posterity - from the speeches of Visteen Krane to security service wiretaps and interrogation tapes. But they also find an intruder, mysteriously changed recordings, and a dead body. Before long the Doctor realises that there is more going on than a simple break-in or murder. How can he defeat a creature that is made of pure sound? Written by Justin Richards. Directed by Gary Russell.

Ares One: NASA's first manned mission to the dead planet Mars. But is Mars as dead as it seems? While the NASA team investigate an 'anomaly' on the planet's surface, the Doctor and Peri find themselves inside a strange alien building. What is its purpose? And what is frozen inside the blocks of ice that guard the doorways? If the Doctor has a sense of deja vu, it's because he's about to meet some old adversaries as well as some new ones.... Written by: Justin Richards. Directed by: Gary Russell.

Landing in Alaska, the Doctor and Nyssa encounter a group of people in a most unusual house, cut off not only by the harsh climate but by their individual secrets and obsessions. Millionaire Shaun Brett is utilising chunks of the local area to construct a shrine to his dead father. But when deadly creatures start roaming outside and a terrifying discovery is made inside the house, the Doctor realises that Brett has unleashed an unimaginably ancient force. Written by Stephen Cole. Directed by Gary Russell.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

It’s 1984, and life has changed beyond recognition. Airstrip One, formerly known as Great Britain, is a place where Big Brother is always watching, and nobody can hide. Except, perhaps, for Winston Smith. Whilst working at the Ministry of Truth, rewriting history, he secretly dreams of freedom. And in a world where love and sex are forbidden, where it’s hard to distinguish between friend and foe, he meets Julia and O’Brien and vows to rebel.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.