Puzzles! Strange tapping sounds, mysterious messages, signs and signals! How can you unlock the secret and decipher the message? You need skill, patience, and, sometimes, a stroke of luck, if you want to be successful at cracking the code. This book describes the history and variety of codes, from earliest to the latest. What has been the effect of codes on society? How have codes impacted the lives of people throughout history?Text Expository, Explanation, ReportTheme/ Media and Communication, Physical Science
"synopsis" may belong to another edition of this title.
Seller: HPB-Diamond, Dallas, TX, U.S.A.
paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_473449783