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Colloquium Bookstores online is your best source for Texas State University–San Marcos textbooks, apparel, gifts and supplies. Buy or sell used and new textbooks, find Texas State University–San Marcos apparel and gifts, and purchase software - all online. For information about our stores, including locations and hours of operation, click here.

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Texas State University–San Marcos textbooks





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  • Our loyalty card customers earned $134,635 in reward credits last year. Don't have one? Sign up today!

  • We paid $1.6 million dollars to our customers for their used textbooks last year. 

  • We are open 7 days a week and parking is easy & free.

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