Jurassic World is the long-awaited next installment of the groundbreaking Jurassic Park series. T. rex’s, velociraptors, triceratops—as well as some all-new dinosaurs—will roar across the screen in this epic action-adventure directed by Colin Trevorrow starring Chris Pratt, Bryce Dallas Howard, Ty Simpkins and Nick Robinson! 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.