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.
eBay Listings : Books
Home page for book auctions, including antiquarian, childrens, fiction and bulk auctions.
Books By Bid
Online interactive auction and store; books and other paper products.
PBA Galleries
Rare book auction house, featuring live auctions.
Your Bookmark
Online auction for new, used and second hand books. Worldwise service based in the UK.
Auction Explorer
Antique book auction in Southern Africa