Offers an historical perspective of the past 25 years of computers in libraries, profileing currently available processing systems according to their size and platform. The short- and long-term future of information technology in libraries.;College or university bookstores may order five or more copies at a special student price which is available from Marcel Dekker upon request.The decade of the seventies; new directions for library systems - 1980s progress; bibliographic utilities and co-operative programs; networks, internetworking, and standards; evaluation, procurement, and other factors affecting the shaping of your library system; old establishment silicon and iron - the big concurrent user systems; the newer breed of concurrent multi-user systems; microcomputer/LAN-based bibliographic software; information technology - the tools of tomorrow.