On the planet Tigella, the Savants and the Deons are irrevocably opposed on one crucial issue: the Dodecahedron, mysterious source of all their power. To the Savants, it's a miracle of science to be studied and used to benefit all. To the Deons, it's a god, and not to be tampered with. When the power source begins to fluctuate, the whole planet is threatened. Zastor, Tigella's leader, welcomes the Doctor and invites him to arbitrate; yet the Time Lord may not be all he seems.

The planet Chloris is very fertile, but metal is in short supply, and has therefore become extremely valuable. A huge creature, with most unusual physical properties, arrives from an alien planet and can provide Chloris with metal from its own unlimited supplies, in exchange for chlorophyll.

Everyone knows that Pluto is a barren, airless rock. So naturally the Doctor is surprised when he discovers artificial suns and an ultra-modern industrial city. What’s more, a group of colonists is being worked - and taxed - to death in this inhospitable and supposedly undeveloped part of the Universe.... With the help of his companion Leela and the faithful K9, the Doctor takes on the mysterious and powerful Company, a ruthless exploiter of planets and their people.

In search of a segment of the Key of Time, the Doctor, Romana, and K9 arrive on the planet Tara, whose population has long mastered the art of android engineering. Romana is apprehended by the ambitious Count Grendel, who seeks to overthrow the king in waiting, and the Doctor is coerced into helping those loyal to the crown. With Reynart locked away in Grendel's dungeons, the Doctor must perfect an android that can be crowned in his place. Yet Reynart is not the only one of Grendel's prisoners to have a double: the captive Princess Strella is Romana's doppelganger.

A thrilling novelisation of a classic TV adventure for the Fourth Doctor and Sarah Jane Smith. In the snowy wastes of blizzard-swept Antarctica, a strange pod-like object is unearthed, buried deep in the ice. Curiosity turns to alarm as the pod begins to grow - then horror when suddenly it cracks open and a snaking green tendril shoots out, mercilessly seeking the nearest live victim.

Reluctantly cancelling his well-earned holiday, the Doctor sets off in the TARDIS to trace and re-assemble the six segments of the Key to Time on which the stability of the entire Universe depends. Assisted by the argumentative Romanadvoratrelundar and K9, he lands on the planet Ribos in search of the first segment and finds himself entangled in the machinations of two sinister strangers, Garron and the Graff Vynda Ka. Who are they?

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.

Stepping out of the Tardis into Victorian London, Leela and the Doctor are confronted by menacing, diabolical horrors shrouded within the swirling London fog - a man's death cry, an attack by Chinese Tong hatchet men, giant rats roaming the sewers, young women mysteriously disappearing... The hideously deformed Magnus Greel, conducting a desperate search for the lost Time Cabinet, is the instigator of all this evil. Posing as the Chinese god Weng-Chiang, Greel uses the crafty Chang, and the midget manikin Mr Sin to achieve his terrifying objectives.

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.

Matthew Waterhouse reads this classic novelisation of a Fourth Doctor TV adventure.The Doctor, Romana and K9 are heading for Gallifrey when they temporarily lose control of the TARDIS. The significance of this event is only revealed when they land, not on Gallifrey but on Alzarius. The planet's legendary Mistfall is approaching, a time when giant scaly creatures emerge from the swamps and go on the rampage, leaving a trail of death and destruction in their wake.

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.

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.

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.

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.