In this fast-paced and thought-provoking thriller, two teens time-travel to prehistoric Africa to judge whether to save our ancestors: the genetic 'Adam' and 'Eve' whose descendants will go on to populate the world. When 16-year-old Nick Brynner explores an old fort on a forbidden island for a school history project, he stumbles onto a time wormhole. What follows is a mysteriously deserted village with a prowling sentry that looks like a gargoyle, and narrow escape with the help of fellow teen E