Alpert, Barbara

"Describes how the Apatosaurus was discovered, how paleontologists study its bones, and what the fossil evidence tells us about dinosaur behavior"--Provided by publisher.

"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"--Provided by publisher.

Simple text and full-color photographs provide a brief introduction to magnetism.

Describes U.S. military warships, including the weapons they carry, and the missions they take.

Describes U.S. military submarines, including the weapons they carry and the missions they take.

"Describes the robots used by the United States military"--Provided by publisher.

An introduction to military fighter planes, including how fast they fly, altitudes they reach, missiles and maneuverability, and more.

Simple text and full-color photographs describe various military robots.

Simple text and color photographs describe nine fast cars.

"Simple text and full-color photographs describe various military ships"--Provided by publisher.