Product searching websites

AbeBooks ( ) is an e-commerce global online marketplace with seven websites that offer books, fine art, and collectables from sellers in over 50 countries. Launched in 1996, it specialises in used, rare and out-of-print books. AbeBooks has been a subsidiary of Amazon since 2008.

BookFinder.com is a vertical search website that helps readers buy books online. The site's meta-search engine scans the inventories of over 100,000 booksellers located around the world.