Nanini Branch Library serves 543,000 residents in the City of Tucson. Established in 1979, the library is part of the Pima County Public Library System. The library system maintains 970,000 volumes and circulates 4.4 million items per year. Nanini Branch Library offers books, e-books, audiobooks, magazines, movies, online resources, after-hours book returns, a meeting room, public computers, Wi-Fi, printing, and mobile printing services.