"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these giant meat eaters face to face: Tyrannosaurus Rex had sharp teeth the size of bananas! Allosaurus had huge hands with three sharp claws! Giganotosaurus weighed twice as much as an elephant! Plus, you'll get to know Albertosaurus, Carcharodontosaurus, Deltadromeus, Dilophosaurus, and Spinosaurus!