Don Lessem

Dinosaurs continue to fascinate kids, and although these amazing creatures roamed the Earth ages ago, new dinosaur discoveries are still being made today! The new edition of the popular Ultimate Dinopedia includes all the latest species and is the most complete, up-to-date dinosaur reference available. Find favorites, like the fierce T-rex and the gentle Brontosaurus, plus audacious new finds, like the Anzu, Kosmoceratops, and Yi.