gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1971.038.296.33 Book Reviews The Clay Mineralogy of British Sediments Prentice J. E. 12 1971 38 296 540 540 Perrin R. M. S. The Clay Mineralogy of British Sediments London Mineralogical Society 1971 vi+ 247 pp. Price (paperback) £3.00 (£2.00 to members); $7·50 ($5.00 to members) Copyright © 1971, The Mineralogical Society 1971