Position	Website	Change	Thumbnail
1	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 ...	7
2	en.wikipedia.org - Wikipedia, the free encyclopedia	-1
3	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...	2
4	hahnlibrary.net - The Hahn Library	-3
5	askville.amazon.com - Ask questions, Find answers - Askville Do you need help or need to ask a question? Can	-5
6	isbntools.com - ISBN Tools: Book search, ISBN syntax, ISBN Directory	-1
7	myidentifiers.com - Welcome To My Identifiers | Bowker | Identifier Services	1
8	mathworld.wolfram.com - Wolfram MathWorld: The Web's Most Extensive Mathematics Resource Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Continually updated, extensively illustrated, and with interactive examples.	22
9	goodreads.com - Share Book Recommendations With Your Friends, Join Book Clubs, Answer Trivia See what your friends are reading. Keep track of what you	0
10	dummies.com - How-To Help and Videos - For Dummies Make everything easier in your life with step-by-step instruction, how-to information, and video demonstrations awaiting your discovery at dummies.com...	2
11	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 ...	-9
12	isbn-us.com - ISBN Number | Welcome To Publisher Services. Obtain ISBNs in Minutes Online. Get an ISBN in minutes. ISBN US is an experienced, trusted resource for your book ISBN. Get information or order your ISBN today!	5
13	loc.gov - Library of Congress Home The Library of Congress. The Library of Congress is the nation	-4

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