Gale Reference ebooks
Gale Encyclopedia of Science
Covers all major areas of science, engineering, technology, as well as mathematics and the medical and health sciences, while providing a comprehensive overview of current scientific knowledge and technology.Entries typically describe scientific concepts, provide overviews of scientific areas and, in some cases, define terms.

Science and Its Times, 2001
Science and Its Times
The histories of science, technology, and mathematics merge with the study of humanities and social science in this interdisciplinary reference work. Offers students a fascinating way to understand the impact of science on the course of human history and how science affects everyday life. Approximately 2,000 entries.

Encyclopedia of Bioethics, 2004
Encyclopedia of Bioethics
Covering a wealth of topics on the ethics of health professions, animal research, population control and the environment, this title helps researchers to consider the impact of new scientific knowledge and its potential to harm or benefit present and future generations.

Biology, 2002
Explains biological concepts and explores related fields as well as the history of biological science.  Provides information on careers in biology and contains color illustrations, sidebars, bibliographies, timelines,charts, and a glossary.

Grzimek's Animal Life Encyclopedia, 2003
Gzimek's Animal Life Encyclopedia
A completely revised and updated version of the original work publishedin Germany in 1960, this edition incorporates recent developments in theanimal world as noted by prominent advisers and contributors from thescientific community.