Quantum Books
New and classic titles for the scientific and computing areas. Special emphasis on the exact sciences including mathmematics, all areas of computer science and Internet, engineering, physics, and more. |
University Science Books
Academic books in astronomy, biology, chemistry, astronomy, earth/environmental science, physics, trade and general science. |
David Brown Book Co.
Archaeology, prehistory, the classical world, the middle ages, egyptology, near eastern studies, environmental and related titles. |
nhbs.com
Natural history, conservation, science, references and other books and materials on the environment for amateurs, scientists, and professionals. Search by title, author or keyword. |
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