Discover the world in which extinct predators lived, their physical characteristics, and how they hunted and survived.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.
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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
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