College of the Siskiyous


To maintain social distancing, the Bookstore will be serving one customer at a time. Please check in on campus when you arrive and knock on the Bookstore door for service.

Bookstore Online Store Directions

Textbook Buyback

COS Bookstore

The Bookstore will be holding a Textbook Buyback Event December 9 - 11 and 14 - 18 at the Weed Campus Bookstore.

You can sell your textbooks back at your own convenience using this link:

How to sell your text books textbooks back (video)

Current Booklists

Return Policy

The Campus Gift and Bookstore accepts returns of textbooks in exchange for a refund within 7 days of the date that the textbook was initially purchased. The final deadlines for textbook returns are:

September 11 - Fall 2020 Semester
January 8 - Winter 2021 Semester
February 19 - Spring 2021 Semester
June 7 - Summer 2021 Semester

A receipt is required to process a return for a textbook. New books must be in new condition with no marking, writing, or highlighting with all pages intact. Books purchased in shrink wrap must be returned as such. If paying by check, you must have proof the check has cleared the bank in order to receive a refund.

Clothing may be exchanged for a store credit if the garment is still in new condition within 2 weeks of the date of purchase.

College Buys Software Purchases

Students can now purchase Microsoft Office 365 for $69.95 - available exclusively through CollegeBuys for California Community College students. This price, negotiated by CollegeBuys on behalf of our system, is the lowest offered anywhere for our students.

CollegeBuys, powered by the Foundation for California Community Colleges, offers discounts of up to 85 percent on a wide-range of educational products—from industry-leading software and technology to high quality office and classroom furniture. These offers are made available to eligible buyers, including California Community College students, faculty, staff, educational institutions, and public agencies. By tapping into the enormous aggregate buying power of the largest higher educational system in the nation, CollegeBuys saves millions of dollars each year for colleges and students.

Contact the Bookstore

Location: Physical Science 1
Phone: (530) 938-5236
Fax: (530) 938-5868