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.

The hugely powerful Key to Time has been split into six segments, all of which have been disguised and hidden throughout time and space. Now the even more powerful White Guardian wants the Doctor to find the pieces. With the first segment successfully retrieved, the Doctor, Romana and K9 trace the second segment of the Key to the planet Calufrax. But when they arrive at exactly the right point in space, they find themselves on exactly the wrong planet - Zanak.

Geoffrey Beevers reads this exciting novelisation of a classic TV adventure for the Fourth Doctor. The Doctor is suddenly summoned to Gallifrey, the home of the Time Lords, where his ghastly hallucinations of the president’s assassination seem to turn into reality. When the Doctor is arrested for the murder, a hideous, dark, cowled figure is gleefully watching in the shadows. In a battle of minds, the Doctor faces renegade Time Lord the Master inside a nightmare world created by his old enemy’s imagination.

What links a diamond raid in 20th Century London, a secret base in the heart of the city's sewer system, a cold and desolate planet light years from Earth, and a daring plan to alter the entire course of interplanetary history? The Doctor's old enemy, Lytton, has allied himself with the Cybermen. Their scheme, if successful, could bring the human race to its knees. For the Cybermen have journeyed back in time to prevent the destruction of their home world. And for Mondas to survive, the Earth must die.

An Escape Room with a sting in its tail is the setting for the Doctor and Jo's latest encounter with a familiar enemy. Three young graduates and their tutor race against time to crack the codes, open the exit door, and obtain 'A New Life' - at least, that's what the publicity said. As the Doctor observes proceedings, he forms a growing suspicion that something far more sinister lurks on the other side of the door. What's worse, the room appears set to eliminate anyone who doesn't make the grade.

The Doctor and Sarah arrive safely back on Earth—or do they? Why does the mysterious solder march straight over a cliff, and then reappear unharmed? Why are they attacked by sinister mechanics with built-in guns for hands? Why is a picturesque country village at first deserted, then filled with mindless zombies? And why are the Doctor and Sarah's best friends trying to kill them? Will they be in time to defeat the deadly Kraals and their terrifying android invasion of Earth?

When the Doctor and Ruby arrive on Cavia, they meet a gentle local who is certain that she has been taken for study by creatures from the stars. The Doctor is concerned to find mysterious meteors appearing in the sky, while strange robotic creatures crowd the forests, watching everything and waiting for… what?

A visit to the Grand Canyon begins with disaster for the Doctor and Peri, when the TARDIS plunges into a ravine. The travellers' only hope is to descend to the valley on foot and then track the course of the Colorado river. Their perilous journey is fraught with danger, even before they encounter a band of 19th Century explorers led by Major John Wesley Powell. Joining the watery expedition, the Doctor and Peri begin to despair of ever seeing the TARDIS again. As food supplies dwindle, so do the group's options. This is a journey which some of them will never return.

Fang Rock Lighthouse stands somewhere off the South Coast of England in the early 1900s. Its three keepers have lately noticed a strange fog, and one has seen an eerie light in the water. Soon one of them is dead, and Old Reuben believes that legend is about to become reality. When the Doctor and Leela arrive, they become involved in a frightening fight for survival.

An exhilarating thriller from best-selling author Dayton Ward set in the universe of Star Trek: The Next Generation, following Captain Jean-Luc Picard and his crew as they explore the previously uncharted and dangerous Odyssean Pass.

The final frontier erupts into chaos as vast quantities of a rare energy source are discovered beneath the surface of Baldur-3, a remote planet beyond the outer fringes of Federation space. Now, an old-fashioned “gold rush” is underway as a flood of would-be prospectors, from countless worlds and species, races toward the planet to stake their claim. Captain James T. Kirk and the crew of the Starship Enterprise are dispatched to deal with the escalating crisis...which lies on the other side of a famously perilous region of space known as the Antares Maelstrom.

An unabridged reading of the brand-new novel based on a storyline by Douglas Adams. The Doctor promised Romana the end of the universe, so she's less than impressed when what she gets is a cricket match. But then the award ceremony is interrupted by 11 figures in white uniforms and peaked skull helmets wielding bat-shaped weapons that fire lethal bolts of light into the screaming crowd. The Krikkitmen are back.

Toby Longworth reads this original adventure for the Thirteenth Doctor and Graham, as played on TV by Jodie Whittaker and Bradley Walsh. It's 1970, and record-breaking explorer Silvia Sandstrom has completed an epic lone drive to the North Pole. But as she activates her on-board experimental equipment, her vehicle is swallowed by a massive hole in the ice. Meanwhile the TARDIS is drawn to an arid wasteland, also apparently at the North Pole. There the Doctor and Graham meet Silvia - but it's clear that she is a woman out of her own time.

The huge, octopus-like Kroll lives deep in the swamps of the humid, steamy planet Delta Three. To the native swamp-warriors, Kroll is an angry mythical god. To the money-grabbing alien technicians, it is a threat to their profit-making scheme. When the Doctor and Romana arrive, in search of another segment of the Key to Time, they have to face the suspicion of the lagoon dwellers, the stupidity of the technicians and, finally, the power of Kroll itself.

Some time ago the White Guardian, one of the most powerful beings in the Cosmos, set the Doctor an urgent task to find and reassemble the six segments of the Key to Time. Having successfully retrieved five of the segments, the Doctor and Romana arrive on the planet Atrios in the middle of an atomic war. There they must search for the last, most vital piece of the Key. However, sinister dangers await them in this final stage of their quest. The actions of the Marshal of Atrios, operating under a mysterious influence, look certain to bring about Armageddon for them all.