The first human colony on Mars is destined for destruction in a nuclear explosion. This tragedy is a fixed point in history. The laws of time dictate that it cannot - must never - be changed. But as the Doctor's darkest hour comes calling, he resolves to break the rules as he never has before.

On the serene planet Deva Loka, an expeditionary force from Earth is dangerously out of control. It's not only the peaceful race of the Kinda who are at risk. A gentle stroll in the lush jungle leads the Doctor and Adric to an unexpected confrontation - and puts them at the mercy of a maniac. But it is Tegan, lulled to sleep by mysterious wind-chimes, who comes closest to a danger than threatens not only her sanity but the existence of the whole planet.

Eminent scientist Emil Keller has developed a revolutionary new process for the treatment of hardened criminals. His invention, the Keller Machine, is being heralded as a major scientific breakthrough. But Professor Keller is in truth the Master, and the Keller Machine is much more than a mere machine. Soon the Doctor, Jo, the Brigadier and UNIT are involved in a bitter struggle with the Master, an alien mind parasite, and a diabolical scheme to plunge the world into a Third World War....

Kerblam! is the biggest online retailer in the galaxy - but how did it become so big? When the Doctor's Kerblam! package includes a mysterious request for help, she heads straight to the company's warehouse moon to investigate. Going undercover as Kerblam! workers, the TARDIS fam find that several human employees have vanished in sinister circumstances. Could the automated workforce be to blame? Or has the whole operation been compromised by forces unknown? The Doctor soon learns that when it comes to wrapping things up, she has nothing on Kerblam!.

Forced off course by the Mandragora Helix, the TARDIS lands in the province of San Martino in fifteenth-century Italy. Here, the court astrologer, Hieronymous, has been taken over by the Mandragora energy-form - Hieronymous and the other members of his star-worshipping black magic cult will be used as a bridgehead, enabling the Mandragora Helix to conquer the Earth and rule it through their chosen servants.

An unabridged audiobook of this classic novelisation of a Fourth Doctor TV adventure from 1975. Landing on Earth - now a barren, desolate planet - Sarah, Harry and the Doctor are unaware of a large, watching robot. The robot is the work of Styre, a Sontaran warrior who uses all humans landing here for his experimental programmes. What has happened to the other space explorers who have come here? Why is Styre so interested in Earth and in brutally torturing humans, including Sarah Jane?

An unabridged reading of the 7th Doctor novel by Paul Cornell, which formed the basis for the 10th Doctor television story "Human Nature/The Family of Blood". Hulton College in Norfolk is a school dedicated to producing military officers. With the First World War about to start, the boys of the school will soon be on the front line. But no one expects a war - not even Dr. John Smith, the college’s new house master. The Doctor’s friend, Benny, is enjoying her holiday in the same town.

The Doctor has regenerated, having sacrificed his fifth persona to save Peri’s life. But things are not going well….

Jon Culshaw reads this exciting novelisation of a 1975 TV adventure featuring the Fourth Doctor. At a time in the far-off future, Earth has become uninhabitable. A selection of humanity is placed, deep-frozen, in a fully automated space station to await the day of their return to Earth. Thousands of years later, the Doctor arrives with his companions, Sarah and Harry, and finds things going suspiciously wrong.

Still weak and confused after his fourth regeneration, the Doctor retreats to Castrovalva to recuperate. But Castrovalva is not the haven of peace and tranquillity the Doctor and his companions are seeking. Far from being able to rest quietly, the unsuspecting time-travellers are caught up once again in the evil machinations of the Master. Only an act of supreme self-sacrifice will enable them to escape the maniacal lunacy of the renegade Time Lord.