Barbara Alpert Libros

Describes how the Apatosaurus was discovered, how paleontologists study its bones, and what the fossil evidence tells us about this dinosaur's behavior.

The military uses robots to search dangerous places. Read to find out about the military’s mighty robot warriors.

"Describes how the Stegosaurus was discovered, how paleontologists study its bones, and what the fossil evidence tells us about this plant-eating dinosaur with plates"--

"Simple text and full-color photographs describe various military amphibious vehicles"--

Describes how the Pterodactyl and other pterosaurs were discovered, how paleontologists study their bones, and what the fossil evidence tells us about these ancient flying lizards.

Don't blink or you'll miss these speed machines! The seriously fast cars in this book will have you racing to turn the pages.

Describes how the Tyrannosaurus Rex was discovered, how paleontologists study its bones, and what the fossil evidence tells us about the behavior of the largest meat-eating dinosaur.

"Simple text and color photographs describe nine small cars"--Provided by the publisher.