"Tom and Jamie can't believe their luck when they find a secret entrance to a prehistoric world filled with dinosaurs! The first dinosaur they meet is a friendly wannanosaurus. It eats the fruit from super-stinky ginkgo trees. But soon, Tom and Jamie meet a much less friendly dino: a Tyrannosaurus Rex that would like to eat them!"--P. [4] of cover.
Presents information on Tyrannosaurus rex, discussing physical characteristics, diet, habitat, known social organization, close relatives, and areas where fossils have been found.
Provides information about the size, speed and agility, weapons, and attack style of the tyrannosaurus rex and velociraptor, and features a fiction story that imagines a battle between the two dinosaurs.