Browse Items (1 total) Tags: average cost discount chart Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Average Cost Discount Chart for Books and AV Materials 1985-1990 This is an average cost discount chart for books and AV materials from 1985 to 1990. Books and AV materials are divided into the following categories, adults, youth, juvenile, extension, reference, adult services, compact disc, cossets, books on… Tags: 1985-1990, Adult Services, adults, AV materials, average cost discount chart, board of directs, Board of Trustees, Books, books on tape, Cassettes, compact disc, Decatur IL, Decatur Public Library, extensions, James Seidl, juveniles, references, videos, youths