Student Edition - Dec. 15, 2016 Newsletter Block Title Going to DIA? Newsletter Block Text Save the environment and some money by using your CollegePass or EcoPass for free transit on RTD's SkyRide to the Denver International Airport. AB bus line schedule Newsletter Block Title Textbook sellback at the CU Book Store Newsletter Block Text The CU Book Store will be buying textbooks Dec. 12-19 at the store in the UMC and locations throughout campus. Download the free "Sell Books" app for iPhone and Android for an instant price quote.