The Pima County Public Library provides books, computers, movies, music, literacy and job help programming and much more to t ... he over one million residents of Pima County. Currently, there are 26 libraries serving Tucson, Marana, Sahuarita, Green Valley, Catalina, Ajo, and Arivaca. Commenting guidelines: http://www.library.pima.gov/social-media-community-guidelines/ read more