The theropod group of dinosaurs saw the biggest, fiercest predators that ever walked the Earth - and also some of the smallest, which were nevertheless incredibly deadly for their size. Hundreds of kinds of these killers existed through the Age of Dinosaurs, from about 230 to 66 million years ago. In this book, readers can learn all about the world in which these predators lived, their physical characteristics, and how they hunted and survived.
Author of more than 250 books on all aspects of science and nature, the majority for children, from dinosaurs to the latest in space
Also editor or consultant on another 100
Publishers range from the Smithsonian and DK to Rodale, WWF, London Natural History Museum, Penguin, etc.
Qualifications include Senior Scientific Fellow of the Zoological Society of London