Lice, fleas, and tapeworms are just some of the creepy crawly parasites readers are introduced to in this detailed guide to an important biology topic. As the main text explores the basics of parasites and their relationships to their hosts, full-color photographs show these creatures in detail. Graphic organizers and sidebars add to this informative reading experience, and critical thinking questions allow readers to dive deep into the world of parasites. The age-appropriate text explains important science concepts, such as the relationships between organisms, and a helpful glossary of biology terms aids in vocabulary building.