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.

Freema Agyeman, Reggie Yates, Adjoah Andoh and Will Thorp are the readers of these eight original novels featuring the 10th Doctor and Martha, as played on TV by David Tennant and Freema Agyeman. The titles are 'Sting of the Zygons' by Stephen Cole; 'The Last Dodo' by Jacqueline Rayner; 'Wooden Heart' by Martin Day; 'Forever Autumn' by Mark Morris; 'Wetworld' by Mark Michalowski; 'Sick Building' by Paul Magrs; 'The Pirate Loop' by Simon Guerrier; and 'Peacemaker' by James Swallow.

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.

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?

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 Fishmen of Kandalinga takes the First Doctor to a planet of water, and a re-match with the alien Voord first encountered on Marinus. Planet of Bones see the Second Doctor, Ben and Polly enjoying hospitality on the planet Harmony - until a dreadful secret is uncovered. In The Phaser Aliens, the Third Doctor and Jo visit Australia to help with invisible UFOs, whilst the Fourth Doctor and Sarah are accused of being spies in Life Anew. The Fifth Doctor finds himself in an alien court of law in The Volcanis Deal, and then the Sixth Doctor and Peri are sent on a mission from Gallifrey.

What did Osgood do the morning of the Day of the Doctor? What happened to Tegan before Arc of Infinity, and why does it involve strange sentient lights in the Australia outback? What was the Tenth Doctor doing in a hall of mirrors, right before Planet of the Dead? Answers to all these questions lie in an incredible collection of Doctor Who short stories that give a glimpse into the moments just before we saw the Doctor step on screen.

Jemma Redgrave, Clare Higgins, Nicola Bryant and Dan Starkey are among the readers of this exclusive collection of nine original audio adventures. Join the Twelfth Doctor, as played on TV by Peter Capaldi, as he meets friends and enemies new and old on these journeys in time and space.

It's ten years since Harry Sullivan left UNIT and gave up his travels in the TARDIS with the Doctor and Sarah Jane. Since then he has been engaged in top secret work, developing antidotes to nerve toxins. But when he is transferred to Yarra in the Hebrides to work on weapons research, he has severe misgivings. For one thing, it goes against much of what he believes in. For another, someone is out to kill Harry Sullivan.

When young Mel’s business partner, Sabalom Glitz embarks on yet another “get rich quick” scheme, it marks the start of an epic, death-defying murder-mystery in space. After barely escaping the snares of a murderous galactic cult, Mel searches for fellow survivors in a nearby spaceship graveyard – while Glitz looks to fill his pockets. But the discovery of a spaceship with its crew in suspended animation, and incredible secrets on board, leaves the duo stranded with no way off. Mel revives the crew – and then the murders start.

The waters of the Pacific Ocean form the backdrop of this foray into Eighteenth Century seafaring for the Doctor and Martha, when the TARDIS materialises on board the Blue Groper sailing ship. Grudgingly accepted as stowaways by Captain Sadler's crew, the travellers learn that the ship is on a mission to Luna Puesta, 'the land where the moon has set'. There, just off the coast of New Zealand, Professor James Tomlinson hopes to locate a missing archaeological link between dinosaurs and man.

Susan Jameson reads a brand-new original story featuring the Fourth Doctor and his companion Mrs Wibbsey. In 18th Century coastal Italy, the local fishermen haul in an extraordinary catch: a gigantic serpent. The Doctor identifies it as an alien, but to the ailing locals this fabled sea creature has the capacity to heal them - if only Count Otto will share it with them. When Mrs Wibbsey comes under the influence of the Count, the Doctor finds himself snared by the wicked power of a seemingly immortal magician, the infamous Cagliostro!

High on the summit of a bleak Yorkshire moor, the Scar Hill Hotel is used to bad weather. Yet, on a dark afternoon in January, the ferocious snowstorm that engulfs the hotel surprises even its managers, Mike and Jess. Also caught off guard are the handful of paying guests, all now stranded until rescue teams can get through. When Mike doesn't return from a recce, and two new arrivals introduce themselves as the Doctor and Rose, a night of terror begins. Something is out there in the snow, hunting.

Some art can be deadly . . . Young Frida Kahlo is angry. Injured in a terrible accident, she lives with constant pain and worries that her dreams are unreachable. But when the TARDIS lands in Mexico City – drawn by a strange disturbance in its energy fields – Frida’s life is turned upside down. Aliens have arrived, taking over the bodies of children and killing anyone who gets in their way.

Christopher Naylor reads the inside story of how the BBC created and launched Doctor Who. In early 1963, a chain of events led to the creation of what would become one of the best-loved, and most successful, of all British television programmes. This is the tale of how Doctor Who embarked upon its epic journey - one which still continues today. It is also the story of the people involved, from Sydney Newman and Donald Wilson to Verity Lambert, Waris Hussein and William Hartnell.

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.

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.

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.

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.