Use your powers of logic, focus, memory, and attention to detail to solve these crime-themed puzzles! You're the detective-- find clues, decipher codes, unravel the mystery, and track the criminal. Includes more than 160 puzzles. Puzzle types include cryptograms, anagrams, addagrams, mazes, word ladders, fingerprint matches, logic puzzles, and visual puzzles that challenge your powers of observation. Answer key is located at the back of the book. Spiral binding, 192 pages. Will your inner detective rise to the challenge? Sharpen your pencil and start the investigation!.