Online database search services directory: A reference and referral guide to more than 1,700 libraries, information firms, and other sources providing computerized information retrieval and associated services using publicly available online databases: 2nd ed. D.M. Maxfield (Ed.). Gale Research Company, Detroit, MI (1988). xix + 1268 pp., $155, ISSN 0741-0077, ISBN 0-8103- 2114-9.