Did you know that Julius Caesar had a secret cipher still used today? Or that you can send Morse Code in writing, by knotting a rope or flashing a lamp? In this unique book, you learn how to write dozens of useful codes, including Morse, Caesar's, Sandwich, Pig Pen, Rail Fence, Rosicrucian, Semaphore, Alphabet, Gibb and many more. Plus more than 40 ways to send hidden messages after your write them.
And there are tips about breaking codes and creating new ones that you dream up yourself, along with tricks to develop invisible messages you and your friends write to each other.
With this book - geared for 10 to 12 year olds, but great for the entire family - you have fun while stimulating your brain and sharpening your memory! How? With hundreds of entries on codes, messages, language, facts, signs and other categories, each illustrated with its own symbol in a "secret key" for you to recognize the category )look into the front of the book to learn the symbols).
You'll find anecdotes and tips with these symbols sprinkled throughout the 15 chapters of this challenging book.