Become the Doctor’s companion and join him on his adventures through time and space. At the end of each page, you are faced with a choice as to which route the story will take. Make your own path through the story to one of the several different endings.

          Join the Doctor and Martha on their travels through time and space and influence the story with your decisions. Choose a direction and let the adventures begin….

          People from all over the world were amazed at the exhibits on display at the Great Exhibition — and they didn’t even see the alien visitors! Help the Doctor and Martha put a stop to the aliens’ plans, before thet wreak havoc on humankind….