The Codebreaker's Handbook

From ancient Greek ciphers to modern computer encryption, this handbook walks readers through the techniques and history of secret writing. Step-by-step instructions teach how to create and crack a wide range of codes, while practice puzzles let readers test their skills in realistic scenarios. The book balances historical context with hands-on activities, showing how code-making has evolved over centuries. Whether you're an aspiring cryptographer or a puzzle enthusiast, you'll find clear guidance and useful tools throughout.