Best-of-the-World.com
- Compares prices and shipping for new and used titles.
- http://www.best-of-the-world.com

BookPricesOnline.com
- Compares prices at online booksellers.
- http://www.bookpricesonline.com/

Compricer.com
- Finds and compares prices for shops in several countries.
- http://books.compricer.com/

AKABook
- Offers price comparison and search for new and used books, textbooks and DVDs.
- http://www.akabook.com/

Bookfinder.US
- Offers book search and price comparison at over 60 sites. Search by title, author, keywords and ISBN number.
- http://www.bookfinder.us

BooksPrice.com
- Compares prices of several books together.
- http://www.booksprice.com/

Bookfinder4u.com
- Compare prices among online bookstores worldwide.
- http://www.bookfinder4u.com

Get Cheap Books
- Searches and compares prices at eight online bookstores. Includes used and out of print titles.
- http://www.getcheapbooks.com/

BookCost.com
- Compares prices at several online retailers, and displays current coupons available.
- http://www.bookcost.com/

Bookkoob
- Compares prices at US and UK online stores.
- http://www.bookkoob.net/

GetTextbooks.com
- Price comparison search engine.
- http://www.gettextbooks.com/

PowerBookSearch.com
- Performs price comparisons of online retailers.
- http://www.powerbooksearch.com/

AllDiscountBooks.net
- Compares prices from online retailers in US, UK, and Canada.
- http://www.alldiscountbooks.net/

BookButler
- Compares prices at up to 40 stores.
- http://www.BookButler.info/

Price Owl
- Searches book stores and lists prices.
- http://www.priceowl.com/

The Cheapest Book
- Searches US online bookstores and compares prices.
- http://thecheapestbook.com/

AAABookSearch.com
- Compares prices at 44+ online bookstores.
- http://www.aaabooksearch.com

Fast Book Finder
- Searches by title, author, or isbn and compares prices among online booksellers.
- http://www.fastbookfinder.com

FetchBook.info
- Compares new and used prices among multiple book stores.
- http://www.fetchbook.info/

BookHQ
- Provides free listings, and searches new and used prices from ten bookstores.
- http://www.bookhq.com/

PriceViewer.com
- Searches and compares prices at major online book stores.
- http://www.priceviewer.com

Any Book For Less
- Compares prices at 22 online booksellers, including delivery to US, Canada and UK.
- http://www.anybook4less.com

Campusi
- Pricing search engine reviews over 40 online stores for new and used books, and locates coupons if available.
- http://www.campusi.com/

Compare Shop Books
- Gathers prices from about eight booksellers.
- http://www.compareshopbooks.com/

AllBookstores.com
- Compare prices at over 30 online bookstores by title, author, ISBN, or keyword.
- http://www.allbookstores.com

BookFinder.com
- Book shopping search engine, plus a meta search of 12 directories of used, rare, and out of print booksellers.
- http://www.bookfinder.com/

AddAll
- Compares prices among 41 on-line bookstores, including used and out of print titles.
- http://www.addall.com

ISBN.nu
- Compare prices at several online bookstores by ISBN, author, or keyword.
- http://www.isbn.nu/

Best Book Deal
- Compare prices at 47 online bookstores. Calculates tax and shipping cost.
- http://www.bestbookdeal.com/