Richard Dinnick & Mike Tucker 
Doctor Who Book 3: Alien Adventures 

Exciting action-packed original fiction for younger Doctor Who fans, each containing two fast-paced fun-filled adventures.On the planet Xirrinda, terrible tiny creatures swarm down from the sky in Rain of Terror. Can the Doctor, Amy and Rory help the colonists escape from the alien infestation?The Doctor, Amy and Rory join an undersea exploration ship on the planet Hos in The Underwater War. When a virus infects the crew, they discover the ship is hiding a dangerous secret…