A discussion of animals, one of the six major classifications of living organisms, explaining what animals are, and describing sponges, cnidarians, and worms, mollusks and echinoderms, arthropods, fish and amphibians, reptiles and birds, and mammals.

Includes index.

What are animals?--Sponges, Cnidarians and worms--Mollusks and echinoderms--Arthropods--Fish and amphibians--Reptiles and birds--Mammals--Glossary--Further information--Index--About the author.