Books with author Harold Rober

What if the neighborhood cat had teeth that measured a foot long? Saber-tooth cats have been extinct for thousands of years, but once upon a time they were the predators of their neighborhoods. Learn more about the different types of these ancient felines with diagrams, critical thinking questions, and more, compiled in an accessible and interesting format for young readers.

Triceratops is one of the most iconic dinosaurs, but you might not know everything about this dinosaur . . . for example, did you know it had a birdlike beak? This book can help readers become Triceratops experts! Lively, age-appropriate text helps young readers build nonfiction skills, while diagrams, a photo glossary, and other great features make this book informative and accessible.

Flying dinosaurs? Well, kind of! Pterodactyls are one of the most fascinating ancient creatures. Because they flew and didn't walk on the ground, they're not technically dinosaurs―but they were still pretty cool! Read on to find out more fascinating facts about these fancy flyers. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement in an accessible format.

What if the neighborhood cat had teeth that measured a foot long? Saber-tooth cats have been extinct for thousands of years, but once upon a time they were the predators of their neighborhoods. Learn more about the different types of these ancient felines with diagrams, critical thinking questions, and more, compiled in an accessible and interesting format for young readers.

What if you were the size of a school bus? Well, you'd probably need a new house, for starters! Meet the iguanodon, an herbivore dinosaur who weighed tons―literally! Learn about what life was like for these spiky-thumbed plant-eaters, and become an iguanodon expert with full-color photographs, diagrams, and more. Age-appropriate critical thinking questions make this title a great choice for beginning nonfiction readers.

Flying dinosaurs? Well, kind of! Pterodactyls are one of the most fascinating ancient creatures. Because they flew and didn't walk on the ground, they're not technically dinosaurs—but they were still pretty cool! Read on to find out more fascinating facts about these fancy flyers. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement in an accessible format.