Information in any form other than words printed on paper Examples include films, slides, audiotapes, compact discs, videocassettes, and computer software
Non-book materials such as phonograph records, cassettes, compact discs and videotapes
Material that is not in paper format Also known as AV eg videos, microfilm, cassettes, CDs
Learning aids using hearing and/or sight, including videotapes, audio cassettes, slides, etc