Froogle:
Developed by Google, Inc. One of the most promising price comparison sites to date.
BizRate:
One of the largest price search sites. Over 30 million products listed.
Shopping.com:
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.
MSN Shopping:
Complete MSN Shopping data feed creation and maintenance solutions.
NexTag Shopping:
Complete NexTag data feed creation and maintenance solutions.
PriceGrabber Shopping:
Complete PriceGrabber data feed creation and maintenance solutions.
ISE Books
Selection of scientific books.
CPL Press Online Bookshop
Offers scientific and technical publications including books and CD-ROMs.
Coronet Books
Academic and scientific books.
Fonteyn Sciences
Scientific books, CD-ROMs, and journals for professionals. Search by topic.
Jewish Science and Technology Books
Works by or about Jewish scientists and technologists and their theories, discoveries and applications.
National Science Teachers Association
Offers books, CD-ROMs, and posters.
Editorial URSS Publishers
Russian scientific books in Russian, Spanish, and English languages. Currency is the Euro.