"Have a knack for mastering Morse code? Want to discover whether your crossword hobby might have seen your recruited into the history books? Think you could have contributed to the effort to crack the Nazis' infamous Enigma code? Then this book about Bletchley Park--the top-secr…
"Have a knack for mastering Morse code? Want to discover whether your crossword hobby might have seen your recruited into the history books? Think you could have contributed to the effort to crack the Nazis' infamous Enigma code? Then this book about Bletchley Park--the top-secr…