When a mysterious envelope arrives for Jake Ransom, he and his older sister, Kady, are plunged into a gripping chain of events. An artifact found by their parents - on the expedition from which they never returned - leads Jake and Kady to a strange world inhabited by a peculiar mix of long-lost civilizations, a world that may hold the key to their parents' disappearance.

Using his father's watch as a key, Jake intends to return to Calypsos. Instead he's thrust into a strange desert land where he's joined by his friends Marika, Pindor, and Bach'uuk and his sister, Kady. As they try to figure out what to do next, a surprise attack by the beautiful young Princess Nefertiti takes them all captive. Soon even she is battling the Skull King's minions. For Jake has something the Skull King wants - a prize that will give its owner awesome power, including control of the fearsome Howling Sphinx.

David Tennant, Catherine Tate and Michelle Ryan are the narrators of this exclusive collection of original audio adventures. Join the 10th Doctor on journeys in time and space in these stories: 'Pest Control', 'The Forever Trap', 'The Nemonite Invasion', 'The Rising Night', 'The Day of the Troll', 'The Last Voyage' and 'Dead Air'. Written by Peter Anghelides, Dan Abnett, David Roden, Scott Handcock, Simon Messingham and James Goss.

This forest isn't charted on any map. Every car breaks down at its treeline. Mina's is no different. Left stranded, she is forced into the dark woodland only to find a woman shouting, urging Mina to run to a concrete bunker. As the door slams behind her, the building is besieged by screams. Mina finds herself in a room with a wall of glass, and an electric light that activates at nightfall, when the watchers come above ground. These creatures emerge to observe their captive humans and terrible things happen to anyone who doesn't reach the bunker in time.

St. Vincent's Orphanage for Boys. Turn of the century, in a remote valley in Pennsylvania. Here, under the watchful eyes of several priests, thirty boys work, learn, and worship. Peter Barlow, orphaned as a child by a gruesome murder, has made a new life here. As he approaches adulthood, he has friends, a future...a family. Then, late one stormy night, a group of men arrive at their door, one of whom is badly wounded, occult symbols carved into his flesh. His death releases an ancient evil that spreads like sickness, infecting St. Vincent's and the children within.