In this unique encyclopedia, children will find over 300 dinosaur species, masterfully illustrated by Dieter Braun. Whether Archaeopteryx, Brachiosaurus, Microceratops, Triceratops, Stegosaurus, Tyrannosaurus Rex or Zephyrosaurus - all species ever documented by scientists cavort on the exciting pages. An introduction explains when the dinosaurs lived, why they became extinct, and what we know about them today. A timeline shows how the earth changed during the dinosaurs' lifetimes. From A to Z, each dinosaur is introduced in short, in-depth texts by experts from London's Natural History Museum, and children learn the most important facts and figures about the prehistoric giants: How big was the dinosaur? What did it feed on? Where was it found? When did he live? A hand index makes it easy to find your favorite dinosaur. Lexico.