Ruben Molina-Perez – författare

Theropod dinosaurs ruled the planet for millions of years, with species ranging from the mighty Tyrannosaurus rex to feathered raptors no bigger than turkeys. The Encyclopedia of Dinosaurs: The Theropods is a stunningly illustrated guide packed with everything you could ever wish to know about theropods. This one-of-a-kind compendium features more than 3,000 records, covers some 750 theropod species, and includes a wealth of illustrations ranging from diagrams and technical drawings to full-colour reconstructions of specimens. The book is divided into sections that put numerous amazing theropod facts at your fingertips. 'Comparing Species' reveals detailed size comparisons, how long ago they lived, and when they were discovered. 'Mesozoic Calendar' shows the positions of the continents at different geological time periods and reconstructions of creatures from each period. 'Prehistoric Puzzle' compares bones, teeth, and feathers while 'Theropod Life' uses vivid, user-friendly graphics to answer questions such as which dinosaur was the smartest and which had the most powerful bite. Other sections chart theropod distribution on the contemporary world map, provide comprehensive illustrated listings of footprints, compile the physical specifications of all known theropods and Mesozoic birds, and much more.

The sauropods form one of the three great dinosaur groups. The sauropod dinosaurs roamed the planet for millions of years, with creatures ranging from the smallest of the sauropods, Magyarosaurus, to the huge Brachiosaurus. This one-of-a-kind compendium covers all known sauropod species and features more than 2,000 diagrams and technical drawings alongside hundreds of full-colour reconstructions of specimens. The book is divided into sections that make it easy to navigate the amazing world of sauropods. 'Comparing Species' is organized by taxonomic group and gives comparisons of the size of species, how long ago they lived, and when they were discovered. 'Mesozoic Calendar' shows the positions of the continents at different geological time periods. 'Prehistoric Puzzle' compares bones, teeth, and feathers while 'Sauropod Life' answers questions such as what did they eat and which was the most intelligent.