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 Type: Expository, Explanation, ReportTheme/Topic: Media and Communication, Physical Science
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Librería: Better World Books, Mishawaka, IN, Estados Unidos de America
Condición: Good. Used book that is in clean, average condition without any missing pages. Nº de ref. del artículo: 13933128-6
Cantidad disponible: 1 disponibles