Author: Kathleen Zoehfeld Language: English ISBN: 9780064452168 Kathleen Weidner Zoehfeld is the award-winning author of more than seventy books for children. She has written several books in the Let's Read And Find Out Science series, including: WHAT LIVES IN A SHELL?, an NSTA/CBC "Outstanding Science Trade Book" and winner of the American Association for the Advancement of Science's "Best Children's Book" award; WHAT IS THE WORLD MADE OF?, a Children's Book of the Month Club Main Selection; WHAT'S ALIVE?, also named an AAAS "Best Children's Book"; HOW MOUNTAINS ARE MADE, an NSTA/CBC "Outstanding Science Trade Book," DINOSAUR TRACKS, "a great choice for even the most discriminating dinophiles" (School Library Journal); and DINOSAURS BIG AND SMALL, winner of the Oppenheim Toy Portfolio "Best Book Award"