Barbara Alpert Knihy

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

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.

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.

Did you know you can make ice cream in a bag? This book shows you how! Using simple materials and easy step-by-step instructions, young readers can explore the science behind this fun and delicious project.

"You can feel the air rush against you on a windy day. How can you measure the wind's speed? This book shows you how to make your own wind speed meter. Using simple materials and easy step-by-step instructions, young readers can explore weather science through this fun project."--Publisher's description.

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

Whether they love cars that are fast, famous, or retro cool, vehicle fanatics just can't get enough of these downright awesome cars! In these easy to read offerings, readers explore some of the coolest cars around.

"Have you ever wanted to strum music with a guitar? This book shows you how to make your own box guitar! Using simple materials and easy step-by-step instructions, young readers can explore the science of sound behind this fun project"--Publisher's description.

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