|Edition: ||UK (paperback)|
|Released: ||October 2007|
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 they wreak havoc on humankind...