Facts on File natural science library

Describes the life cycles of 73 animals commonly found throughout the world. Includes such information as gestation period, weight at birth, when independent from adult care, and longevity.

Provides an overview of over 5,000 of the world's mammals and includes over 800 full-color illustrations. Contains locator maps, hundreds of feature articles, factfiles, scientific and common names for all species, a glossary, a comprehensive index, and a bibliography.

Presents a two-volume set on all manner of aquatic life divided into three main sections of fish, aquatic invertebrates, and marine mammals and includes hundreds of full-color illustrated photographs, locator maps, scientific names, and cross references.