Cryptograms

Crack the code with 200 large print easy to read cryptograms, all from quotes of famous scientists or about science to challenge your mind and give you something interesting to think about afterwards. Includes hints and solutions to all puzzles. Adults will probably appreciate the difficulty and quotes, but all puzzles are appropriate for children as well. If you are looking for a challenging mental exercise, interesting science quotes, and the thrill of breaking codes then this book is for you.