Illustrated commentaries provide general and essential information on all animal phyla and genera and representative species, from unicellular forms to the primates.

This is a survey of the animal kingdom from protozoa to mammals. Treatment is usually at the family level with some species described as examples. Popular level of treatment with beautiful photographs. Classification list down to family. Indexed.

A systematic and comprehensive survey of the whole of the living animal world, from the simplest and smallest single-celled creatures to the large and most highly specialized mammals (excluding man).