Lola M Schaefer

"Which robot is the smartest, the fastest, or the strongest? Learn what robots can do, how engineers design robots, and how scientists and students put their cool creations to the test"--

Simple text and photographs depict corals and how they create coral reefs.

Simple text and photographs present the lives of Wilbur and Orville Wright and their pioneering efforts in the development of the airplane.

Explains, in brief text and illustrations, the structure and uses of our arms and hands.

"Discusses the history, function, and workings of tow trucks"--

"Readers will learn about the history of rockets, how rockets work, how we may use rockets in the future, and more in this exciting exploration of these essential space machines!"--

Simple text and photographs present mail carriers, their role in the community, and their many tasks as they work for the Post Office collecting and sorting mail, and delivering letters, packages, and magazines.