Does a cat use his claws when he walks? How does a rabbit run? What does a skunk smell like? Find out the answers in this classic text that teaches young readers how to track animals by finding footprints and other clues. Marlene Donnellys lovely illustrations and Millicent Selsams gentle text make this a perfect first book for children with a budding interest in animals and nature. Included is a new Find Out More page with lots of hands-on activities.

Millicent Selsam was a popular childrens science writer whose work includes Egg to Chick, a Reading Rainbow book illustrated by Barbara Wolff, and Gregs Microscope, illustrated by Arnold Lobel. Marlene Hill Donnelly is a staff artist at the Field Museum of Natural History in Chicago.