Super Little Giant Book of Secret Codes

Kids love secret codes, because it allows them to send special private messages to their friends and outwit adults. And this Super Little Giant™ offers dozens of intriguing and colorfully displayed choices, with an easy-to-follow explanation of each system, a history of its development, and illustrations that show just how the code works. Some of the codes are well-known, including Morse, with its dots and dashes. Others are more rare, such as an ancient transposition cipher where the sender writes the message on a paper wrapped around a tube or stick. And artistic types will really enjoy the dancing men” cryptogram, which has 26 drawn figures in different positions corresponding to the letters of the alphabet.