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 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.

In the renovated docklands of South East London, on the bank of the river Thames, the doors of the Dusk are open for business. Bets are called, cards are dealt and roulette wheels spun. As fortunes are won and lost, an inhuman killer stalks the local avenues and alleyways - a killer with a taste for human flesh. Is there more to casino owner Reggie 'The Gent' Mead or is he just a common gangster? What secrets are hidden in the bowels of the Dusk?

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.

The Pinehill Crest Hotel in Kent is host to three very different events: a cross-stitch convention, an experiment in time travel and...the summoning of the scourge. The Doctor, Bernice and Ace find themselves dealing with a dead body that's come back to life, a mystical symbol that possesses its host and a threat from another universe that's ready for every trick the Doctor's got up his sleeve. This time, has the Doctor gone too far? Written by Paul Cornell. Directed by Gary Russell.

The year is 1989. In London, safecracker Raine Creevy breaks into a house - and finds more than the family jewels. In the Middle East, the kingdom of Sayf Udeen is being terrorised by Soviet invaders and alien monsters. And on the Scottish border, a highly guarded facility contains an advanced alien weapon. These are all part of the Doctor's masterplan. But masterplans can go awry....

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 Tardis has been drawn to Blackpool in the year 1985, where the Doctor intends to investigate a dangerous space/time vortex...while enjoying some local attractions along the way. But an old enemy is watching from his base deep within the amusement park, a timeless being who craves revenge.

The 21st century has just begun, and Malebolgia is enjoying its status as the newest state in America. After his successful involvement with Scotland's devolution, Brigadier Alistair Gordon Lethbridge-Stewart has been invited over to Malebolgia to offer some of his experiences and expertise. There he encounters the charismatic Brigham Elisha Dashwood III, an evangelical statesman running for Governor who may not be quite as clean-cut and wholesome as he makes out.

When the planet Archetryx is threatened by a Dalek assault squad, the Doctor and Evelyn become embroiled in an ever-deepening mystery. What has become of President Romana, missing for 20 years? What lurks in the vast gravity wells of Archetryx? What is the secret of the ancient element the Daleks are synthesising - and how does Gallifrey feature in the plans? The Doctor finds that if his oldest enemies cannot conquer the universe, they will watch it go up in flames....

Moscow, 1967. The Doctor and Ace have arrived behind the Iron Curtain, and the Soviet Union is seeking a new weapon that will give it mastery in the Cold War. What is the secret of the Martian relics? As the legendary War Lord Sezhyr returns to life, the Doctor is faced with some of his oldest and deadliest enemies. The fate of Earth - and the future of Ace - are now intertwined....

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 Tardis materialises on the USS Eldridge after the Philadelphia Experiment has gone disastrously wrong. Most of the crew are dead, the ship is disintegrating and the Doctor soon realizes that the problem comes from another dimension.... As they attempt to find a way to get the ship home, the Doctor and Peri visit the distant planet Capron and meet its tyrannical ruler, Osloo. But the search for a possible solution only creates increasingly dire problems. Osloo's horizons have been widened - and space and time are hers for the taking....

On their mission to explore the Mariana Trench at the very bottom of the ocean, the deepest and most inhospitable place on Earth, the crew of the deep sea vehicle Erebus make an unusual and startling discovery. A battered blue police box. As the Doctor, Romana and K9 join them on their journey, the submariners soon discover that the TARDIS is not the only unusual find lurking on the sea floor.

Tom Baker and Elisabeth Sladen star in this classic audio adventure from 1976. The TARDIS' arrival on a lonely stretch of beach at night is closely followed by a slithering sound and a chilling roar. It marks the beginning of a terrifying adventure on present-day Earth for the Doctor and Sarah Jane Smith. The deadly Pescatons have arrived! Refugees from their own dying planet, these towering amphibians are led by the mighty Zor, whom the Doctor has encountered before. Soon the creatures have invaded London, wreaking death and destruction. 

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.