Breaking Secret Codes - Gregory, Jillian
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Coded information may look confusing, but most codes provide hints that can help you break them. Learn how to find and interpret code patterns and repetitions. With your new super-sleuthing skills, youll be cracking codes in no time!

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Coded information may look confusing, but most codes provide hints that can help you break them. Learn how to find and interpret code patterns and repetitions. With your new super-sleuthing skills, youll be cracking codes in no time!