Gerbils may be small, but they're very active! In Gerbils readers will discover the many responsibilities and delights of having a pet gerbil. They will learn… • different kinds of gerbi More →

Find out what being active can do for you. Learn how to help your body feel healthy and strong, make lots of energy, and make friends, too! Teacher's guide available. More →

In this series of leveled readers, young students will learn how artists use color, form, line, shape, space, and texture to tell a story, convey feelings, and give us beautiful creations to… More →

In today's world, we are consistently surrounded by a wealth of information. The ability to access, interpret, and analyze this information is vitally important. Get Graphing! aims to help… More →

Get ready to learn all about inclined planes in this fascinating new book! See inclined planes at work in ramps and roller coasters, as well as their other applications and history. Kids get… More →

Levers play an important part in all our lives! Without them we could not row a boat, move a wheelbarrow, or open a bottle. This book teaches children about the different kinds of levers.… More →

Pulleys help make up some of the most complicated machinery, from car engines to cranes. See how pulleys lift and move heavy things, how pulleys work together, and the different kinds of… More →

Screws are everywhere! From the cap on a bottle to a farmer's combine, screws help us lift, grip, squeeze, and move. Come inside the book to learn all about this fascinating simple machine. More →

Simple machines are all around children: bicycle wheels, doorstops, the seesaw on the playground. This captivating series from Crabtree opens young readers' eyes to the essential everyday… More →

Wedges are used to separate, lift, or hold things in place. One of humankind's most ancient tools, the wedge has a place in almost everyone's daily life. Learn more in this absorbing new title. More →