Cheryl Bardoe: 3 books

The true story of eighteenth-century mathematician Sophie Germain, who solved the unsolvable to achieve her dream. When her parents took away her candles to keep their young daughter from studying math...nothing stopped Sophie. When a professor discovered that the homework sent to him under...

Dung is a precious pile of food and drink for these beetles. Simple science text and dramatic illustrations give a close-up view of the fascinating world of the dung beetle. When an animal lightens its load, dung beetles race to the scene. They battle over, devour, hoard, and lay their eggs...

Discover the history of one of the world’s most influential civilizations. Based on the Cyrus Tang Hall of China exhibit at The Field Museum, China: A History traces the 7,000-year story of this diverse land. Full-color maps, photos, and illustrations of the people, landscape, artifacts, and rare...