Book 1 in the brand-new Doctor Who Decide Your Destiny series, based on the new BBC One series featuring Matt Smith as the Doctor! Danger and adventure await you on a school trip to a gas refinery infested by giant crustaceans! Only you can help the Doctor and Amy put a stop to the Macra"s plans and save Earth! Join the Eleventh Doctor and Amy on their travels through time and space in the TARDIS and influence the story with your decisions. Choose a direction and let the adventures begin! This new series contains interactive stories that continue online. With links to exclusive animated scenes and an exciting online game, there"s a new adventure with every read!