The 19th-Century detective, Arthur Conan Doyle"s Sherlock Holmes, is a perfect example of that game-like, puzzle-solving approach, as is Christie"s sweet-mannered yet coolly analytical Miss Marple. Ross points out that many golden-age stories feature amateur detectives, which may have encouraged readers to test their own skills in games: "They were seizing the idea that they might be able to solve crimes themselves."