Doctor Who: Heart of Stone / Death Riders

This is an action-packed original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. These double-fronted books each contain two fast-paced, fun-filled adventures. "Heart of Stone": A monster made from moon rock is attacking an Earth farm in Heart of Stone. Everything it touches turns to stone - even people. Can the Doctor, Amy and Rory find out what the creature wants before it's too late? "Death Riders": The Galactic Fair has arrived on the mining planet of Stanalan and the Death Ride roller coaster is really drawing in the crowds. But there's something sinister going on behind all the fun of the fair. Join the Doctor, Amy and Rory as they investigate...