You've searched CSU's library catalog, but we don't own the book you need. What next? Try Prospector!
"Prospector is a unified catalog of academic, public and special libraries in Colorado and Wyoming. Through Prospector you have access to 30 million books, journals, DVDs, CDs, videos and other materials held in these libraries. With a single search you can identify and borrow materials from the collections and have them delivered to your local library."
Requesting items from Prospector is FREE, and your materials will be delivered to the CSU Library for pick-up at your convenience. You will be notified through e-mail when they have arrived and are ready to be picked up. Typically, requests are filled within 2-4 days.