Lobster emerges from his rocky hiding place off the Maine coast and prowls for dinner while watching for predators, a task made even more difficult after he molts.
As Hazel tries to find out who took two lobsters from Mr. Petrusca's fish shop, she discovers that the fishmonger has a secret and determines to help him.
Text and photographs describe the physical aspects, habits, and life cycle of the American lobster as well as the activities of New England lobstermen.