Presents extensive data on the habitats and ecosystems of species identified as endangered or threatened by the U.S. Fish and Wildlife service. Includes an image of the species, information on each species, and a summary of recovery efforts.

Encyclopedia of Espionage, Intelligence and Security

A guide to the history, uses, related scientific principles and technology of espionage and intelligence. Topics covered range from the historical use of espionage to the emerging use of technology in modern espionage and counterintelligence.

Encyclopedia of Population

Covers large-scale changes and research in population studies during the last 20 years; topics include: rapid demographic expansion in poor countries, low fertility rates, environmental impact of dense population; expanded reproductive rights; and much more.

Encyclopedia of Small Business

Contains articles and overviews of all the key information needs of small business owners, including financing, financial planning, business plan creation, market analysis, sales strategy, tax planning, and human resource issues.

Fashion, Costume, Culture

Covers large-scale changes and research in population studies during the last 20 years; topics include: rapid demographic expansion in poor countries, low fertility rates, environmental impact of dense population; expanded reproductive rights; and much more.

Gale Encyclopedia of Alternative Medicine

Covers alternative and complementary medical practices, such as reflexology, acupressure, chelation therapy, kinesiology, polarity therapy, naturopathy, and Chinese medicine. Includes therapies for specific disorders and diseases, medicinal uses for plants and herbs, efficacy studies, and analysis of acceptance by traditional scientists and doctors.

Gale Encyclopedia of Cancer

Covers specific cancer types, diagnostic procedures, treatments, cancer side effects, and cancer drugs. Also includes concepts such as cancer biology, carcinogenesis, and cancer genetics; and issues such as clinical trials, home health care, fertility, and cancer prevention.

Gale Encyclopedia of Genetic Disorders

Information on genetic disorders including conditions, tests, procedures, treatments and therapies. Provides information on well-known disorders such as Tourette Syndrome, and rarer diseases such as Neuraminidase Deficiency.

Gale Encyclopedia of Medicine

Covers common medical disorders and concepts with causes, symptoms, diagnosis, conditions, tests, procedures, and treatments, including high-profile diseases such as AIDS, Alzheimer's disease, cancer, and heart attack.

Gale Encyclopedia of Multicultural America

Essays on ethnic and culture groups in the United States that emphasize religions, holidays, customs, and languages in addition to providing information on historical background and settlement patterns. Covers ethnoreligious groups such as Jews, Chaldeans, and the Amish.

Gale Encyclopedia of US Economic History

Designed to answer such key questions as: How has the U.S. Constitution shaped the economy of the United States ? What were the consequences of Prohibition on consumers' behavior? Provides era overviews, event/movement profiles, biographies, business/industry profiled, geographic profiles, and more.

Renaissance: an Encyclopedia for Students

Based on the award-winning Encyclopedia of the Renaissance, this title focuses on the Renaissance topics most studied in high school history, art, literature, economics and science classes. Features a chronology with topical timelines and bibliographies with age-appropriate further reading sources.

St James Encyclopedia of Popular Culture

Essays on American popular culture ranging from fast food and fitness fads to political events and literary genres. Major topics include: television, movies, theater, art, books, magazines, radio, music, sports, fashion, health, politics, trends, community life and advertising.

U*X*L Encyclopedia of Landforms and other Geological Features

Focuses on the physical and geological aspects, structure and features of 24 of earth's landforms -- what they are, how they look, how they were created, how they change over time, and major geological events associated with them.

World of Earth Science

Guide to the concepts, theories, discoveries, pioneers and issues relating to topics in earth science. In addition to traditional subtopics in geology and meteorology, also covers a substantial number of topics in astronomy.