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.

From Andrew Lane comes an original adventure for the Eighth Doctor, as played on TV by Paul McGann, and Victorian journalist James MacFarlane.

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!

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.

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?

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.

First published as an illustrated book in the 1960s and now a collector’s item, Doctor Who and the Invasion from Space sees the Doctor land in the futuristic world of The One. Along with the Mortimer family, whom he rescued from the Great Fire of London, he finds himself recruited to lead a galactic invasion from Andromeda - with the TARDIS instrumental in the plan! In Ten Fathom Pirates, a story from The Doctor Who Annual 1967, the Doctor encounters underwater raiders on a distant planet.

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.

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.

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.

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.

The TARDIS brings its occupants to Calico Three, an Earth-like planetoid where industrial foundries are worked alongside sophisticated technology. The Doctor is staggered to learn about the Resurrection Plant, which re-births anyone mortally wounded in the line of work. While Jamie is put to work in the foundry, Zoe and the Doctor investigate the Plant—but when the machine goes terribly wrong, they must work with the locals to combat a horrifying monster. The Doctor also uncovers a shameful secret that, for him at least, hits close to home.

In 1890s Cardiff, reporter James MacFarlane is intrigued by rumours of ‘anaesthesia frolics’, at which gatherings the latest frontier in pain relief is demonstrated to influential guests. After he speaks to someone who attended several such ‘frolics’—and left with a hand and two fingers missing—James realises that the events have a dark side. Contriving an invitation, he is astounded to find another guest also investigating—it’s his old friend the Doctor! Reunited in mystery, the Doctor and James enter the murky underbelly of polite Cardiff society.

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.