Put your crime-solving wits to the test with codes, ciphers, and more mind-bending puzzles from the groundbreaking creators of Hunt A Killer.In Hunt A Killer: The Detective’s Puzzle Book, you’ll meet up with private eye Michelle Gray who needs you to hit the books and fine-tune your investigative skills before the next big murder case. Under her expert guidance, you’ll start with “Investigative Best Practices” before diving into a world of curious ciphers, devious riddles, and other intriguing ...