Jurassic World is the long-awaited next installment of the groundbreaking Jurassic Park series.

Was Tyrannosaurus rex a speedy and savage hunter, or was it a slow-moving scavenger, surviving on scraps left from other dinosaurs’ kills? World renowned tyrannosaur expert Dr. Thomas R. Holtz, Jr., shares the evidence on both sides of the argument in this easy-to-read, easy-to-understand Step into Reading book that young dinosaur enthusiasts will heartily devour.