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 Scarifyers is a series of rip-roaring tales of comedic supernatural intrigue set in 1930s Britain, distilling the likes of Dick Barton, The Avengers, The Devil Rides Out and Quatermass into cracking new audio adventures. The Scarifyers is broadcast on BBC Radio 4 Extra, and has been described in the national press as 'rollicking good fun', 'a slice of audio perfection', 'the smartest and most enjoyable thing on British radio' and 'like Tintin but with the lights out.'

On a dark, frozen planet where no planet should be, in a doomed city with a sky of stone, the last denizens of Earth's long-lost twin will pay any price to survive, even if the laser scalpels cost them their love and hate and humanity. And in the mat-infested streets, around teatime, the Doctor and Nyssa unearth a black market in secondhand body parts and run the gauntlet of augmented police and their augmented horses.

A week after her mother found her sleeping on the ceiling, Amy Thomsett is delivered to her new school, Drearcliff Grange in Somerset. Although it looks like a regular boarding school, Amy learns that Drearcliff girls are special, the daughters of criminal masterminds, outlaw scientists and master magicians.

Set in 2276, Imperial Earth is the fascinating odyssey of Duncan Makenzie, travelling from Titan, a moon of Saturn, to Earth, as a diplomatic guest of the United States. Duncan’s initial challenge is to prepare for the 500-million-mile trip to Earth. Once there, he is caught up in a sweep of new experiences - including the social whirl of Washington, a strange visit to a carefully preserved ancient city, and a search for the woman he loves.

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.

Arthur C Clarke is without question the world's best-known and most celebrated science-fiction writer. His career, spanning more than 60 years, is one of unequalled success. Clarke has always been celebrated for his clear prophetic vision, which is fully on display in this audiobook, but there are also many stories that show his imagination in full flight, to the distant future and to far-flung star systems.

Twas the night before Christmas, and all through the house not a creature was stirring.... But something must be stirring. Something hidden in the shadows. Something which kills the servants of an old Edwardian mansion in the most brutal and macabre manner possible. Exactly on the chiming of the hour, every hour, as the grandfather clock ticks on towards midnight. Trapped and afraid, the Doctor and Charley are forced to play detective to murders with no motive, where even the victims don't stay dead.

The human race is locked in deadly combat with the android hordes in the Orion System. Light-years from the front line, the Doctor and Charley arrive to sample the dubious delights of a galactic backwater, little suspecting that the consequences of the Orion War might reach them there. But High Command's lust for victory knows no bounds.

Many years ago, on a dark and stormy night, the disfigured and enigmatic Dr John Smith invited his closest friends, Inspector Victor Schaeffer and his wife, Jacqueline, to a dinner to celebrate his birthday. A few hours later all the occupants in that house had been changed - ­some were dead, others mentally scarred forever by the events of that night. So, what happened to the distinguished dinner guests on that evening? Perhaps we'll never know.

Across the planet, the silver legions stand impassive in every city; mankind has sacrificed its freedoms for the sake of a distant conflict against its android creations, and now the price must be paid. On the streets, in the depths of space, a web of lies and deceit draws ever tighter, and the lines between human and android, between enemy and ally, are blurred. Only one choice remains - resist or surrender.

Tom Baker stars as the Fourth Doctor in 15 full-cast audio dramas written by Paul Magrs. Also included in this edition are a previously unheard interview with Tom Baker, outtakes from the original studio sessions, promotional trailers and a PDF booklet featuring sleeve notes by writer Paul Magrs.

AlI stock has shot up by over 15 percent on news that galaxy-famous scientist Davros, controversial creator of the Daleks, has been hired to work on unspecified technological projects. Davros has been given the chance to redeem himself. Humanity stands on the verge of a new era, but it needs the help of the galaxy's greatest ever scientist. But Davros is dead...isn't he?

In a desolate Cornish landscape littered with relics of prehistoric man, the Doctor and Evelyn uncover a catalogue of mysteries. What is the secret of the fog? Can the moor be haunted by a demonic host of imps? And what is Brigadier Lethbridge-Stewart doing in Pengriffen? Teaming up with his old friend, the Doctor realises that an ancient conflict is nearing its conclusion - and Lanyon Moor is set to be the final battleground. Written and directed by Nicholas Pegg.

After travelling through time and space with the Doctor, Henry Gordon Jago and Professor Litefoot are back in London starting brand new lives. Jago has become a huge celebrity and Litefoot the quiet owner of a bookshop, but in all other respects it is business as usual. As they investigate a wealth of new cases - including a restaurant where the food eats the people and a book with dangerous powers - a long game is playing out. A figure from their past is back, and this time he means to destroy them....