Amaze your friends and family with awesome experiments that let you see what happens when you combine materials, mix ingredients, and play with forces. From gooey slime to "exploding"… More →

This important title helps young readers build the skills to make smart choices when spending and saving their money. Realistic examples provide an understanding of the outcomes of spending… 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 →

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 →

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 →

Read all about wheels and axles and their many uses in this new book. Children will be thrilled to learn of their many uses, from doorknobs to the insides of a clock. There are wheels that… More →

This title provides a factual and in-depth look at one of the bloodiest battles in American history. Features include a day-by-day breakdown of events, profiles of major figures, and a… More →

How does something enormous suddenly disappear? Readers will be amazed by how frequently large ships are lost without a trace. But sometimes it is just the crew that has disappeared. Get the… More →

The snarls of beasts, the clash of steel, the cries of the victims, and the roar of the crowd - these are the gladiator games of ancient Rome. The heroes of these spectacles were the… More →