Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.

Find out how codes have been used since ancient times. Then have a go at breaking some secret codes!

Provides young adults with a review of cryptography, its evolution over time, and its purpose throughout history from the era of Julius Caesar to the modern day.

Use your skills to break some codes and learn how codes have been used since ancient times. And find out how breaking secret enemy codes actually helped to win wars.

Audisee® eBooks with Audio combine professional narration and sentence highlighting to engage reluctant readers! The prize: $10 million The rules: Be the first to complete ten tasks assigned by the Benefactor. Do not ask questions. Do not tell anyone what you're doing. Do not fail. The consequences: Unknown Maiv is a model daughter, a caring older sister, a top student—the responsible one. She's not someone who'd get mixed up in something as risky as the Contest. But the huge prize would help her afford college and help her family make ends meet. The problem? The Contest is not what it seems. On the other hand, neither is Maiv. She's determined to uncover the Benefactor's secrets—before it's too late.

Make it! Code it! Break it! Mod it! Meg Ray's CODE THIS GAME! is a nonfiction visual guide, illustrated by Keith Zoo, that teaches young readers, 10-14, how to program and create their very own video game. Each chapter introduces key coding concepts as kids build an action strategy game in Python, an open-source programming language. The book features an innovative stand-up format that allows kids to read, program, and play their game simultaneously. With easy-to-follow step-by-step instructions, CODE THIS GAME! teaches kids to build a strategy action game called “Attack of the Vampire Pizzas!” The book also teaches how to modify the game and follow one's imagination by incorporating downloadable art assets. By the time kids finish the book, they'll have mastered basic coding concepts and created a personalized game.