Melissa Stewart is an award-winning author of more than 100 science books for children. She serves on the Society of Children's Book Writers and Illustrators' board of advisors and is a judge for the American Institute of Physics Children's Science Writing Award. She lives with her husband, Gerard, in Acton, MA. To learn more about Melissa, please visit her website: melissa-stewart.com.

The American Museum of Natural History in New York City is one of the largest and most respected museums in the world, with an annual attendance of five million. Since the Museum was founded in 1869, its collections have grown to include more than 33 million specimens and artifacts relating to the natural world and human cultures. The Museum showcases its collections in the exhibit halls, and, behind the scenes, more than 200 scientists carry out cutting-edge research. Researchers based in the Museum's Center for Biodiversity and Conservation work with local communities and partners from around the world to transform knowledge into conservation action. Plan a trip to the Museum, home of the world's largest collection of dinosaur fossils, or visit online at amnh.org.