The Casebook
Choose a case, follow the clues, and submit your final answer when you are ready.
The 18,900 City Mystery Puzzle
Peter vanished while backpacking through Europe. He left behind 16 clues and one challenge: find the single city, out of 18,900, where he is hiding.
A Gothic Mystery Puzzle
A guest has vanished from the castle, and the host has not been seen since. Follow the clues through Transylvania before night falls.
A Mythological Mystery Puzzle
Six guests. One statue. Someone in the room is not what they seem. Can you uncover the truth before the curse takes hold?
New Cases Are Being Written
More puzzle books are on the way. Join the casebook newsletter to be the first to investigate the next mystery.
