Hercule Poirot Whodunit Puzzles: Exercise Your Little Grey Cells to Solve Over 100 Riddles, Conundrums and Crimes Inspired by Agatha Christie's Great by Dedopulos, Tim: Good Hardcover (2017) | ThriftBooks-Reno
Whodunit Mysteries: More Than 50 Perplexing Puzzles for You to Solve (Paperback) | An Unlikely Story Bookstore & Café
The Official Clue Whodunit - Crack the Case by Solving Puzzles: Which – Magazine Shop US