College of the Siskiyous


The College of the Siskiyous Bookstore will have its doors closed to the public as the College is restricting access to the general public until further notice.

Access to many textbooks are available as free eBook access until May 25th through either of these eBook providers at these links.

Spring Rental Returns

The Bookstore will have drive up Rental Return Service in Parking Lot E near the Science Building and Eddy Hall on Tuesday May 19, Thursday May 21, and Wednesday June 3 from 10:00 am to 4:00 pm

To view full campus map click on map below.

Campus map

The Deadline to return Textbook Rentals from the Spring 2020 semester has been extended from May 22 to June 22. Textbook rentals can be returned by shipping your textbook rentals to:

College of the Siskiyous
Attn: Bookstore – Rental Returns
800 College Avenue
Weed, CA 96094

Please include packing slip.

The most economical way to ship your rental return will be using the US Postal Service Media Mail with Tracking. Please include this packing list with your rental return shipment so that the Bookstore can properly check in your textbook rental when received. You may contact the Bookstore by emailing if you need to inquire about what textbooks you rented for the Spring 2020 semester.

Textbook Buyback

COS 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 6 - Fall 2019 Semester
January 10 - Winter 2020 Semester
February 10 - Spring 2020 Semester
June 4 - Summer 2020 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 Professional Plus software for $39.99 - 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