BIGGEST FASTEST TALLEST LONGEST GREATEST The weird From egg Inside dinosaur Why did and wonderful to adult anatomy Triceratops have horns? How did they evolve? BOOK OF The mighty stegosaurus Terrors of the sky Dinosaur teeth Plesiosaur anatomy Reptilian relatives The humble herbivore How did they hunt? Weapon or tool? How fast did Underwater T-rex run? monsters Did they hunt in packs? How are fossils created? AN IN-DEPTH LOOK INSIDE THE WORLD’S MOST INCREDIBLE DINOSAURS WELCOME TO BOOK OF At fi rst, dinosaurs seem like the product of a wild imagination – how could such weird and wonderful creatures ever have existed on our Earth? Before the extinction event that changed their world forever, dinosaurs and their reptilian relatives of the sea and sky ruled the prehistoric world. From Allosaurus to Zuniceratops, travel back in time to the age of the dinosaurs with the How It Works Book of Dinosaurs and discover the “terrible lizards” for yourself. We’ve gathered together some of the most amazing creatures and got right under their skins so we can demonstrate to you how they work. Did the Tyrannosaurus rex hunt or scavenge? Why did herbivores grow so massive? Find out how the dinosaurs survived and thrived, about the mass extinction that ended it all and what the dinosaurs left behind for us to fi nd. BOOK OF Imagine Publishing Ltd Richmond House 33 Richmond Hill Bournemouth Dorset BH2 6EZ (cid:8) +44 (0) 1202 586200 Website: www.imagine-publishing.co.uk Twitter: @Books_Imagine Facebook: www.facebook.com/ImagineBookazines Publishing Director Aaron Asadi Head of Design Ross Andrews Production Editor Jen Neal Senior Art Editor Greg Whitaker Art Editor Ali Innes Printed by William Gibbons, 26 Planetary Road, Willenhall, West Midlands, WV13 3XT Distributed in the UK, Eire & the Rest of the World by Marketforce, 5 Churchill Place, Canary Wharf, London, E14 5HU Tel 0203 787 9060, www.marketforce.co.uk Distributed in Australia by Network Services (a division of Bauer Media Group), Level 21 Civic Tower, 66-68 Goulburn Street, Sydney, New South Wales 2000, Australia Tel +61 2 8667 5288 Disclaimer The publisher cannot accept responsibility for any unsolicited material lost or damaged in the post. All text and layout is the copyright of Imagine Publishing Ltd. Nothing in this bookazine may be reproduced in whole or part without the written permission of the publisher. All copyrights are recognised and used specifically for the purpose of criticism and review. Although the bookazine has endeavoured to ensure all information is correct at time of print, prices and availability may change. This bookazine is fully independent and not affiliated in any way with the companies mentioned herein. How It Works Book Of Dinosaurs Second Edition © 2015 Imagine Publishing Ltd Part of the bookazine series BOOK OF DINOSAURS CONTENTS Most amazing Dinosaurs’ Dinosaurs dinosaurs legacy 008 The amazing creatures 064 What’s inside a 106 Death of the dinosaurs that walked the Earth dinosaur egg? 108 What are fossils? 066 The world’s The prehistoric 112 F inding fossils biggest dinosaurs world 116 1 01 dinosaur 070 D inosaur defence questions answered 038 A to Z of the dinosaurs 072 The cleverest dinosaur 046 What was a dinosaur? 074 D iplodocus 048 How did the dinosaurs’ 076 T riceratops world evolve? 078 V elociraptor 050 Where did 080 S tegosaurus dinosaurs live? 082 T yrannosaurus rex 060 T he dinosaurs’ neighbours 084 Brachiosaurus 086 Ankylosaurus 088 A patosaurus 090 Marine reptiles 108 092 Plesiosaurus 094 Pterosaurs Inside 096 Q uetzalcoatlus amber 098 The deadliest dinosaurs 050Where did they live? Michael S Engel M Luijt; my; J Ala ©Thinkstock; SPL; 006 The biggest dinosaur 066 What are fossils? 108 038 The A-Z of dinosaurs The plated dinosaur great 080 060 Dinosaur neighbours 007 MOST AMAZING DINOSAURS THE WORLD’S MOST AMAZING DINOSAURS Over 500 types of dinosaur existed before they died out 65 million years ago. Here’s 26 of the biggest, fi ercest and weirdest known to palaeontologists today 008 DID YOU KNOW? MYA is short for ‘million years ago.’ So if you see 56 MYA it means 56 million years ago 009 MOST AMAZING DINOSAURS Tyrannosaurus rex Long-lived T-rex was able to live for (‘Tyrant lizard king’) up to 30 years Carnivore Cretaceous period, 67-66 MYA Found in: Western North America Lived in: Forests with swamps and rivers Balance T-rex’s huge head was balanced by its heavy tail Scales or feathers? T-rex may have had feathers on at least part of its giant body, just like a bird Fact The largest T-rex skulls ever to be found are 1.5m across, and some of the T-rex Clawed grip teeth were up to Although T-rex’s arms 30cm long were small, each with two claws, they were strong, able to grip prey or push itself off the fl oor Dino skill Tyrannosaurus rex T-rex may have had the most vicious bite of any animal to have lived, many times stronger than lions and sharks and capable of crunching bone and ripping apart its prey. Killer rating: 5/5 Speed: 3/5 Defence: 3/5 010