Mr Mystery Invisible Ink Book

From solving the mystery of Madame MacPhlott’s marigolds to catching jewel smugglers on the run, Mr. Mystery offers 32 pages of exciting cases to crack!

Features classic games like Battleship, Jailbreak, Hangman, Top Secret, and "What Does Mr. Mystery Like?"

Best of all, the included invisible ink pen makes it the perfect gift for budding detectives on the go, providing hours of ‘whodunnit’ fun!