The Turing Tests Expert Code Breakers by Dr Gareth Moore (Paperback Book)
10,98 €
Published in association with the Turing Trust, this collection offers the codebreaking enthusiast a tough but enjoyable challenge. Follow in the footsteps of Alan Turing, the genius codebreaker of World War II, and discover the hidden meanings encoded in these word and number puzzles. This collection of over 130 puzzles are divided into three levels of increasing difficulty, the final of which is intended for the true expert.
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