BookPursuit
Bookpursuit.com - the international antiquarian booksite. search and find used, rare and second-hand books.
http://www.bookpursuit.nl/
AddAll.com
The book search and book price comparison agent is built to ease online book shopping. all new books, used books, out of print books are searched and compared the price difference among more than 41 online bookstores for the best buy. save your time and money by the free online service
http://www.addall.com/
Eurobuch.com
Eurobuch.com
http://www.sfb.at/
Kieskeurig
Boek - vergelijk prijzen en producten van boeken en lees product- en winkelreviews van andere consumenten.
http://www.kieskeurig.nl/nl/product.nsf/product/boek.htm
SearchBooks
The search engine for books, find and read the books you are looking for!
http://www.searchbooks.info/
MegaBookSearch.com
MegaBookSearch.com
http://www.megabooksearch.com/
ZVAB
ZVAB
http://www.zvab.com/