Position	Website	Change	Thumbnail
1	lookupbyisbn.com - Lookup by ISBN: Your no nonsense search tool Lookup by ISBN is a free search tool for finding books by ISBN, title, author, publisher, subject, andkeywords. It provides catalog information, revie...	0
2	abebooks.com - AbeBooks Official Site - New & Used Books, New & Used Textbooks, Rare & Out of Print Boo... AbeBooks is your source for Used, New, Rare and Out of print books. Find classic collectibles, rare signed editions, used textbooks, and inexpensive ...	0
3	isbnsearch.org - ISBN Search Find books easily using ISBN, title, or author searches. Search using ISBN-10 or ISBN-13.	0
4	amazon.com - Amazon.com: Online Shopping for Electronics, Apparel, Computers, Books, DVDs & more Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessori...	0
5	en.wikipedia.org - Wikipedia, the free encyclopedia	0
6	bookfinder.com - BookFinder.com: Search for New & Used Books, Textbooks, Out-of-Print and Rare Books Search engine that finds the best buys from among 150 million new, used, rare, and out-of-print books for sale. Includes textbooks and international t...	7
7	isbntools.com - ISBN Tools: Book search, ISBN syntax, ISBN Directory	18
8	isbn.org - U.S ISBN Agency - Welcome to the U.S. ISBN Agency, the official source for ISBNs in the United State... Welcome to the U.S. ISBN Agency, the official source for ISBNs in the United States. No other source can assign legitimate ISBNs to US publishers. B...	4
9	biblio.com - Biblio.com: Search Used Books, Textbooks, Rare Books, & Out of Print Books from Independent Book... Biblio brings together thousands of independent booksellers worldwide to offer you over 50 million used, rare, out-of-print, signed and first edition ...	-7
10	campusbooks.com - Textbooks | College Textbooks | New Textbooks | Used Textbooks | College Textbooks | Cheap Textbooks Campus Books carries over 8 million new and used college textbooks in one convenient location. We	0
11	answers.yahoo.com - Yahoo! Answers - Home Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights a...	3
12	self-publishing-coach.com - Your Self Publishing Coach! Self publishing has never been easier. I	-7
13	catalog.loc.gov - Library of Congress Online Catalogs The Library of Congress collections include over 110 million items in a variety of formats and languages. The catalog information for many of these ...	0

I have no idea. Please, refresh tomorrow ;)

Site	Traffic	Engagement
wikipedia.org	36.5%	0x
abebooks.com	34.1%	0x
isbn-check.com	9.8%	0x
biblio.com	4.4%	0x
isbndb.com	3.7%	0x
Other	11.5%	0x

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amazon.com
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