The University of Arizona Library offers a variety of educational materials and resources. The library s facility features projectors, study carrels, and group study and presentation practice rooms. It offers printing, photocopy and scanning services. The University of Arizona Library provides reference books on various subjects, such as chemistry, economics, political science, English, biology, psychology, history and management. In addition, the library offers online reserve course materials for students. It provides Web-based grade books and tests. The University of Arizona Library s media viewing room features a slide cassette viewer, video cassette player, laser disc player with a remote control unit and color television. The library is located in Tucson, Ariz.