Title: Do whales have belly buttons?
Subtitle: questions and answers about whales and dolphins
Description: Provides answers to such questions about various species of whales and dolphins as "Do all whales have teeth?", "How long do most whales live?", "Why do dolphins whistle?", and "Can dolphins save humans?"
Subjects: Whales, Miscellanea, Juvenile literature, Questions and answers, Juvenile Nonfiction, Nonfiction, Reference, Whales, juvenile literature, Children's questions and answers, Dolphins, juvenile literature, Dolphins