Heroes of Science: Who Changed the World

Learn about Eratosthenes, who measured the world accurately without ever leaving Egypt; Vera Rubin, the astronomer who first found evidence of Dark Matter; and more great scientists. Graphic Greats series combines the stories of incredible people with graphic illustrations that amplify the meaning of the story and keep kids riveted to each book. Exciting stories and inspiring illustrations of heroic adventurers, innovators, dreamers, and doers make these the kinds of books that kids will return to again and again.