Andrew, the son of a Dinotopian innkeeper, makes a strange discovery onenight when a hooded dinosaur leads him and two friends to a remote, sealed-offcity. When they begin to explore the forbidden area, the trio are thrust intoa dangerous adventure--one they can survive only if they can put aside theirchronic rivalries and come to understand the lost race of TroÜ dons, whohave existed there in seclusion for centuries.