Lab manuals and other custom CU-specific publications typically have no buyback value.
If a book isn't being reused at CU, the price is based on its national wholesale value.
You can download the "Sell Books" app (search "University of Colorado" in app stores) to get an instant price quote before heading to the store.
You must present a valid school ID to complete a buyback transaction.
Stores like the Colorado Bookstore on the Hill also buy used textbooks and may offer different rates.
Books must be in good condition and include all original materials like CDs or workbooks. Timing Your Sale for Maximum Value
Rental textbooks must be returned by their due date (often the last day of finals) rather than sold back. Alternatives and Tips
These are generally not purchased during standard textbook buyback.