Action-packed original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Double-fronted books each contain two fast-paced, fun-filled adventures! Heart of Stone/Death Riders 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? In 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...

The Galactic Fair has arrived on the mining asteroid of Stanalan and anticipation is building around the construction of the fair's most popular attraction - the Death Ride! But there is something sinister going on behind all the fun of the fair; people are mysteriously dying in the Off-Limits tunnels. Join the Eleventh Doctor, Amy and Rory as they investigate . . .

In the Galactic Fair's popular attraction, Death Ride, people are dying in the Off-Limits tunnels. The Doctor and his team investigate.

"The Doctor, Amy, and Rory are surprised to discover lumps of moon rock scattered around a farm. But things get even stranger when they find out where the moon rock is coming from--a Rock Man is turning everything he touches to stone. Can the Doctor, Amy, and Rory find out what the creature wants before it's too late?"--

Hell was bustin’ loose in Texas! For months the range country had smoldered with hate. Ranches had been set afire, cows rustled, blood spilled. And no-one knew the identity of the night-raiding killers. No one knew because they had no faces...only grinning skull bones where human flesh should be. Into this fear-crazed land came Texas Ranger Jim Hatfield, ignoring the murderous warning that the Death Riders handed him. There was a moment of terrible calm while the forces of violence gathered. The like an erupting volcano, trouble exploded. Gun trouble—shooting trouble—killing trouble!

Shep Greenfield is a plague rider. When his parents disappeared after an attack on their home, he agreed to deliver medicine for the sinister Doctor St. John. The doctor runs the camp of River's Edge with cruelty and total control. But the pills he makes are the only hope people have, now that the doomsday plague, nightpox, has hit Wisconsin.