The Doctor and Donna are trapped on board a mysterious spacecraft. Fate of the crew: unknown. Fate of the universe if what’s on board gets out: terminal.

Chance. Misfortune. Coincidence. These are the weapons of choice for the Doctor’s latest enemies. And those enemies are very, very hungry. For Ruby Sunday, this Christmas Eve is a birthday she’ll never forget. It’s the day she joins the Doctor on board a Goblin ship. The day she learns of dangers from beyond the universe. The day her life really begins...or, perhaps, the day it ends.

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?

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.

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.

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.

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.

For the Tenth Doctor, the festive season always brought adventure. In fact, he's saved Christmas across space and time more times than we ever knew. Join the Doctor (and Donna and Martha and Rose, and other friends old and new) for incredible tales of daring and danger. From Daleks plotting to save humanity to Sycorax working to exploit it...from star-narwhals massing on the Moon to a toy factory in space. Because even in the jolliest of seasons there's a world or two to save.

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.

It is AD 79, and the TARDIS lands in Pompeii on the eve of the town's destruction. Mount Vesuvius is ready to erupt and bury its surroundings in molten lava, just as history dictates. Or is it? The Doctor and Donna find that Pompeii is home to impossible things: circuits made of stone, soothsayers who read minds and fiery giants made of burning rock. From a lair deep in the volcano, these creatures plot the end of humanity—and the Doctor soon finds he has no way to win.

In The King's Dragon, the inhabitants of the city-state of Geath appear to be happy and rich; yet strange creatures are stirring. In The Glamour Chase, an ancient spaceship is discovered on Earth in 1936, and the Doctor finds that suddenly no-one is quite what they seem. In The Dead of Winter, a remote clinic in 18th Century Italy sees the arrival of the enigmatic Mrs Pond, with her husband and her physician. In The Way Through the Woods, Rory disappears in an ancient wood, and the Doctor and Amy discover than something ancient that dwells there is now waking up.

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.

Camille Coduri reads this brand new novelisation of the Tenth Doctor’s first adventure. Earth is under attack by power-hungry aliens. This is no time for the Doctor to be out of action. When a British space probe is intercepted by a sinister alien vessel on the eve of Christmas, it marks the beginning of an audacious invasion of the Earth by the Sycorax - horrifying marauders from beyond the stars. Within hours, a third of humanity stands on the brink of death with not a single shot fired.

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.