Elementary school teacher and author Cathryn Sill and her husband, noted wildlife illustrator John Sill, team up again to offer young readers another first glimpse into our natural world. The simple text describes how crustaceans look, how they protect themselves, what they eat, and where they live. The beautifully detailed, full-color illustrations reflect the diversity of the crustacean populationfrom a Sand Fiddler to a California Rock Lobsterand present each in its natural habitat. An afterword provides further details on the crustaceans portrayed to inspire young readers to learn more.