Did you know that a Tyrannosaurus rex needed to eat the same amount each day as 80 people? Unearth a bygone world beyond imagination and come face to face with the dinosaurs that once ruled the planet.This visually stunning science guide takes you on a prehistoric safari past savage hunters, terror birds, walking tanks... and aliens from ancient oceans! Learn about dinosaur feathers, fossilised poo, what beast's bones were mistaken for those of a human giant, how a meteorite wiped out this ancient ecosystem, and much more!Each volume in the Factology series provides a fast-paced and fun introduction to its subject, explaining key concepts and highlighting significant events in a manner that is clear, accessible and entertaining.The KS2 and KS3 school curriculum is consulted when devising each volume, to ensure that the books cover important educational topics, making them a perfect teaching aid for learning history and STEM subjects.