ABC of Sexual Health. Edited by John Tomlinson. (Pp 61; £13.95.) BMJ Books, 1999. ISBN 0-7279-1373-5. The ABC series is well known for being clear, concise, and comprehensive but this volume on sexual health scores most highly for candour, especially its illustrations. Doubtless they prompted the incongruous red warning triangle on the cover. While the illustrations, though indeed explicit are generally apposite, some are quite …