91色情片

Code breaking trimmed two years from the Second World War, says the blurb on the back of Action This Day (Transworld, 拢14.99). Editors Michael Smith and Ralph Erskine make good work of showing you how tough a job and how great a triumph that was for the people of Bletchley Park, Hertfordshire, where the Nazis鈥� Enigma code was cracked. New Scientist鈥檚 reviewer recommended it: 鈥淧riceless anecdotal and technical detail鈥�. It鈥檚 a read for enthusiasts, those who can already tell their 鈥淧urple鈥� from their 鈥淔loradora鈥�.