In the animal world, it’s rare for two mammal species to form a mutualistic relationship. It’s especially rare for that to happen when neither species is a primate, but that’s exactly what happens between warthogs and banded mongooses. Young readers will be thrilled to discover these contrasting creatures and the fascinating bond between them. Accessible text addresses important science concepts and lively images bring this relationship into full focus. Fun facts and a graphic organizer enhance the narrative.