The most trusted nonfiction series on the market, Eyewitness Books provide an in-depth, comprehensive look at their subjects with a unique integration of words and pictures. From limpets and sea urchins to crabs and terrapins, young readers will learn about shells' inhabitants and the best places to find them. Eyewitness: Shell also presents images of fossils from millions of years ago -- some from specialized museum collections and seen here for the first time.