The latest edition of the annual reference supplies substantial information on 245 online databases in the healthcare field, 54 more than last year and 142 more than the first edition of 1985. It also offers a brief guide to online searching, a glossary of online terms, and a listing of databases available on CD-ROM. Indexed by subject, title, producer and vendor. Plastic comb-binding. Published by Alpine Guild, PO Box 183, Oak Park, IL 60303. Annotation copyright Book News, Inc. Portland, Or.