Want to learn basic spy skills? If so, then the Secret Agent Training Manual series is for you! In "Codebreaking," you'll learn how to hide and disguise top secret messages, conceal messages in plain sight, create complicated ciphers, craft your own decoder gadgets, and so much more! Once you've mastered these skills, you can put them to the test in the CODEBREAKING CHALLENGE. To enter this online quiz, you'll need a secret password that is only revealed after solving one of the coded messages in this book. For ages 7+. Note, this is an updated edition with additional puzzles and never-before-seen content. Elizabeth Singer Hunt is the author of numerous action-adventure-mystery books for children including the award-winning Secret Agent Jack Stalwart chapter book series, the Secret Agents Jack and Max Stalwart books, the Secret Agent Training Manual collection, and The Treasure of Jean Lafitte, the first in the middle grade Swamp Mysteries Detective Agency series. The Secret Agent Jack Stalwart books have sold millions, been translated into multiple languages, listed as a "must read" by the British Education Secretary, featured on Virgin Atlantic's international flights, serialized by BBC Radio, and turned into an animated TV series. Elizabeth supports a number of causes including Eco-Soap Bank, a non-profit dedicated to the prevention of communicable disease in the developing world through the distribution of recycled soap. For more information about Elizabeth and her work, visit: www.elizabethsingerhunt.com.