Textbooks

See also:

Academic Book Services, Inc. - Grades K-12 reconditioned used textbooks, reference materials, workbooks and paperback titles.
Bare Bookz - Buys and sells used textbooks; registration required to enter.
The Book Cellar - Specializing in college-level technical books and Christian homeschooling curriculum.
Book Swap - College textbooks exchange; student to student sales.
Bookbyte - Sells college and school textbooks.
Bookcircus.com - Used and new textbooks, study aids, dictionaries, encyclopedias, thesauruses, reference materials, classic literature, and bestselling novels for K-12 and college.
The Cat's Pajamas - Offers new and used homeschool materials. Searchable by grade or language.
Class Book - Used, and some new college textbooks. Buyback service based at East Greenbush, New York.
Follett Educational Services - Used textbooks for grades K-12.
Free Book Express - Textbooks and novels, with a 12 site price comparison feature.
Local Texts - Free listings for college textbooks. Search by schools.
PDX Books - Buy and sell college textbooks as well as compare prices at online bookstores.
Powell's Books - Carries an extensive collection of rare out of print used textbooks, reference materials, and technical titles.
StuBex - Book exchange for US and Canadian college students. Registration required.
Texas Book Company. - Sells new and used college textbooks. Includes lists of books by institution.
Textbook Exchange Canada - Buy and sell used textbooks in Canada.
Textbooks For Sale - A selection of used college textbooks.