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 : John McQuire, Lorin Baker, Henry S Koser, Mystery, William Walcott, W H Burton, Jean Ewing, Jean Del Val, George Cowl, Edmund Elton, Henry S Koser, Ethel Grey Terry, Drama, William Morrison, Louis R Grisel .