London: Hutchinson, (1995) dj. Hardcover first edition - The author's second novel, a World War II thriller set in 1943 Betchley Park - "Tom Jericho, a brilliant British mathematician is working as a member of the team struggling to crack the Nazi Enigma code. Jericho's own struggles include the mysterious disappearance of a former girlfriend, the suspicions of his co-workers within the paranoid high-security project, and the certainty that someone close to him, perhaps the missing girl, is a Nazi spy. The plot is pure fiction but the historical background, Alan Turing's famous wartime computing project that cracked the German U-boat communications code, is real and accurately portrayed." 390 pp. Illustrated endpapers. ISBN: 0-091779235.