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BizRate:
One of the largest price search sites. Over 30 million products listed.
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Child of Dealtime and Epinions, now merged to provide you with three shopping search engines that feature your products separately, yet the same.
Yahoo Shopping:
Complete Yahoo Shopping data feed creation and maintenance solutions.
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PriceGrabber Shopping:
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Scholarly Books
Specializing in psychology, psychiatry, psychoanalysis, neuroscience and all aspects of the study of the mind and brain. Catalogues issued periodically and upon request in all fields of specialty.
Wheldon and Wesley Ltd
Natural history books.
Jonathan Grobe Books
Used and out-of-print scientific, technical and scholarly books.
Buteo Books
Offers used, new, and rare books about birds and ornithology.
David White Books
Antiquarian and interesting out-of-print medical books; specializing in the history of medicine and pharmacy.
W. Bruce Fye
Old, rare, and out-of-print books in medicine, surgery, and related fields.
Gary Wayner
Used, rare and scholarly natural history books with an emphasis on botany.
Natural History Books
Rare and hard to find books, especially ornithology and herpetology.
Stephan P. Wolf Books
Books and other media on carnivorous plants, free booksearches, and a list of books on the subject. Also available in German.
UHR Books
Specializing in old and rare books in health including: nursing, medicine, surgery, public health, epidemiology, microbiology, parasitology and infectious diseases.
More Sciences Sites