Description of this Book Now in a new, larger paperback format, the First Discoveries series is relaunched with these four bestselling titles. Each easy-to-use, easy-to-understand paperback introduces young readers to a topic with full-color, highlighted illustrations. Each book includes four transparent, acetate pages that reveal the unexpected side of things.Description of this Book Now in a new, larger paperback format, the First Discoveries series is relaunched with these four bestselling titles. Each easy-to-use, easy-to-understand paperback introduces young readers to a topic with full-color, highlighted illustrations. Each book includes four transparent, acetate pages that reveal the unexpected side of things.