Gilda Berger

Describes the biological makeup and behavior of some twenty whale species, including killer whales, blue whales, dolphins, and porpoises, and discusses their relationship to man and their threat of extinction.

Asks readers true or false questions about rocks and minerals that the reader can find the answers to by turning the page.

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?"

Provides answers to a variety of questions about various poisonous creatures, such as "Do Gila monsters bite humans, " "What are killer bees, " "Which ant sting hurts the most, " and "Are frogs poisonous?"