Explore the mysteries of science with a first-hand look at wheels and gears in this fascinating set of "Science Starts" books which includes other titles such as Bubbles, Magnets, and Seeds. Discover the fascination, wonder and science behind wheels and gears. This is a great resource for elementary level educators or for parents. The text is simple and easy to understand and the eye-catching photographs immediately grab the reader's attention and bring him or her into the fascinating world of wheels and gears. Is a wheel the same as a gear? What wheels will you find at a fair? Could a wheel roll forever? Do gears have teeth? Uncover the answers to these exciting questions and discover other amazing wheel and gear facts as you explore this book. Take a walk through nature or your own house and see what wheels and gears you can identify. The close of the book provides a brief glossary, additional reads, as well as an internet site named Facthound to further the learning of wheels and gears. Reviewer: Lisette Baez