Book announcement Microbiology of Saudi Arabia (1841-1986). Compiled by Prof. Dr. H.A. Bokhary. Saudi Biological Society. This bibliography contains 1637 references on microbiological publications from Saudi Arabia and other Gulf Countries since 1841 A.D. This bibliography includes references about viruses, bacteria, algea, fungi, lichens, parasites, protozoa and other related topics such as mycoplasma. This book covers the research on microbiology in various fields like medical (including case reports related to microbiology), veterinary, non-me~lial and agricultural sciences. This bibliography is available upon request, free of charge, to microbiologists in any field. Please write directly to Prof. Dr. H.A. Bokhary, Department of Botany and Microbiology, P.O. Box 2455, King Saud University, Riyadh 11451, Saudi Arabia, for a free copy. Sarwat Parvez Department of Botany and Microbiology, King Saudi University, P.O. Box 2455, Riyadh 11451, Saudi Arabia.