Ever wondered why beavers build dams? Or how spiders weave their intricate webs? In this reader, you'll meet brilliant birds, inventive insects, and amazing mammals that all share a special skill. Packed with beautiful and engaging photos, this leveled reader introduces kids to the most extreme engineers of the animal kingdom.

National Geographic Readers' expert-vetted text, along with brilliant images and a fun approach to reading, has proved to be a winning formula with kids, parents, and educators. Level 2 text provides accessible, yet wide-ranging, information for kids ready to read on their own, perfect to encourage the engineers and explorers of tomorrow!