The Pima County Public Library (PCPL) system serves Pima County, Arizona, with a main library and 26 branch libraries as well as a bookmobile service. The system has its headquarters in Tucson with a service area including the city and the surrounding communities of Arivaca, Green Valley, Sahuarita, South Tucson, Ajo, Vail, Marana, Casas Adobes, and Catalina. The town of Oro Valley’s library joined the Pima County Public Library system in July 2012.
