Simple text and color photos describe a tank, explaining what each of its parts are and showing them up close. The huge wheels, powerful engines, and loud noises of working machines seem to entrance children for hours. Now young students can pore over color photos as they learn about their favorite machines--inside and out. Each book builds vocabulary as it describes in simple language the basics of a machine: what it looks like, what it's used for,...

Discusses why and how walls have been constructed throughout history, around cities, castles, even countries.

"Presents the major fields of science and discusses their applications in today's world." --

Ever wonder what goes on inside your computer? Take a look into how processors, networks, and more are all connected.

Learn to outsmart your classmates with the tips in this exciting, top secret book! The secret tips included in this simple, easy-to-read text will have you mastering the scientific method, using a compass, naming the color spectrum and more in no time!

Describes what plants need in order to grow and the effects of sunlight on them.

"Engaging images accompany information about special ops missions. The combination of high-interest subject matter and light text is intended for students in grades 2 through 7"--

"Explains the technologies and capabilities of the latest generation of military vehicles. Intended for grades 3 through 7 "--Provided by publisher.