Code-breaking in Bletchley Park. Pp. xxii+202, 8 coloured and 16 black & white plates, text illustration of Bletchley Park layout, glossary, selective chronology, further reading, index; med. 8vo; black cloth, spine lettered in gilt; dust wrapper; Frontline Books, London, 2011. First edition. *The author was a code breaker at Bletchley..... More