Bletchley Park Brainteasers: The World War II Codebreakers Who Beat the Enigma Machine--And More Than 100 Puzzles and Riddles That Inspired Them

Name: Bletchley Park Brainteasers: The World War II Codebreakers Who Beat the Enigma Machine--And More Than 100 Puzzles and Riddles That Inspired Them
Author: Sinclair McKay