The Mystery of the Yellow Room. Word Search Puzzle Solver. The Mystery of the Yellow Room word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. The intrepid reporter and amateur sleuth Joseph Rouletabille becomes involved in the investigation of a hideous crime committed in a room painted yellow whose door was locked from the inside… This includes identifying and searching for words that are related to : Mystery, Jean Del Val, John McQuire, Henry S Koser, William Morrison, John McQuire, William Walcott, Drama, William Walcott, Lorin Baker, W H Burton, Jean Ewing, William Morrison, Jean Del Val, Catherine Ashley .