Gary Russell 
Doctor Who: Book 5: Monstrous Missions 

Exciting action-packed new original fiction for younger Doctor Who fans, starring the Eleventh Doctor with his companions Amy Pond and Rory Williams. Monstrous Missions contains two fast-paced, fun-filled adventures!The Doctor and his friends join a group of explorers on a Victorian tramp steamer in Terrible Lizards. The explorers are searching for the Fountain of Youth, but neither they nor the treasure they seek are quite what they seem!People are mysteriously disappearing on Moonbase Laika. They return with strange bite marks and no idea where they have been. Can the Doctor and his friends get to the bottom of what’s going on in Snakes on a Base!