Break codes and solve puzzles! This puzzle collection will test the verbal, logic, and visual skills you need as a code breaker.Puzzle types include: cryptograms, anagrams, ciphers, code-doku, cryptoku, mastermind, and more.You'll need to be just a bit sneaky and test your brain to the limit in solving 180+ puzzles.Answer key included in the back of the book.Spiral bound, 192 pages.