The Top Secret History of Codes and Code Breaking

The Top Secret History of Codes and Code Breaking uses real codes from history as puzzles for the modern reader. The Haircut Code, a Persians military cypher, Ancient Hebrew ciphers, Egyptian pictorials, Roman letter codes, and Tudor England substitution ciphers are all included. More modern-day codes like Laura Robson and Heather Watson's 'back slang' when playing tennis doubles, computer codes, and safe passwords are included as well. Be astounded by these historical puzzles and learn how to build and solve your own codes.

  

(This book may contain a sharpie mark on the top or bottom edge and may show mild signs of shelfwear.)