Provides a wide range of scientific, historical and cultural information about the animal world. Covers careers in the animal sciences in addition to biological concepts, the history of zoology, biographies of scientists, and ethical issues such as the practice of animal experimentation. Includes illustrations, sidebars, charts, a glossary, bibliographies, filmographies and the addresses of institutions devoted to the protection and study of wild and domesticated animals.

This guide presents extensive data on the habitats and ecosystems of more than 1,200 species identified as endangered or threatened by the U.S. Fish and Wildlife service. Entries include introductory information with an image of the species; a summary section detailing information on each species; a concluding summary of recovery efforts; and a bibliography of contacts for further information.

Explains biological concepts and explores related fields as well as the history of biological science. Discusses critical issues such as embryogenesis and commercial applications of research in biology and addresses ethical issues. Provides information on careers in biology and contains color illustrations, sidebars, bibliographies, timelines, charts, and a glossary.

Covers biotechnological applications ranging across medicine, agriculture, and industry. Devoted to helping younger students and general readers understand the fast-developing science and issues related to: advances in biotechnology, the science of molecular biology and genetics.

An alphabetical presentation of brief statistics, maps and pictorial information about each of the fifty United States, as well as U.S. territories and possessions. Coverage includes geography, state history, population, ethnic groups, natural resources, famous natives, and vital statistics. For students in elementary schools.

An alphabetical presentation of brief statistics, maps and pictorial information about every country in the world. Coverage includes geography, industry, population, ethnic groups, climate, religion, education and daily life. Includes a special section of political, topographical, and thematic world maps. For students in elementary schools.

The hairstyles, slang terms, advertising jingles, pop music sensations, and all else described as popular culture is covered in this five-volume reference. Arranged chronologically by decade and by broad topics within each decade, this set focuses solely on the popular culture of the twentieth century, offering more detailed information on trends and fads than any other resource. Written specifically for students in grades 5 through 12.

Profiles of significant contributors to business and industry, past and present, written especially for high school students.

Provides descriptions of household and high-interest products, step-by-step descriptions of manufacturing processes, and sidebars with additional information. Covers for each entry: why there was a need, who invented it, how it is made, what it is made of, and how it works. Includes photographs, illustrations and line drawings, and a glossary of definitions.

Provides information for job seekers on various career areas. Each profile includes a job summary chart, a job description, and up-to-date salary information.