New Create Your Own Secret Language Book

Engaging book on how to create your own secret language! Invent codes, ciphers, hidden messages, and more. It's a beginner's guide by David J. Peterson, who invented languages for Game of Thrones and the Marvel Cinematic Universe. Great for sharing secrets with your friends or protecting your diary from siblings. ✨ Love more than one item? Create a bundle and I’ll send you a special discount — the more items you add, the bigger the savings!