After killing off his hero in The Adventure of the Final Problem, Conan Doyle brings him back to life in the short story collection The Return of Sherlock Holmes. In the first story, Holmes reunites with Watson to bring down Colonel Moran, so that Holmes can resume his life in London. The stories in the collection focus on the use of logic and science to solve crimes and on Sherlock Holme's growing fame and popularity, which he feels uncomfortable with.
If you're bored by traditional book notes, try Shmoop! They write their summaries in an approachable, entertaining style. Their comprehensive offering includes chapter by chapter summaries, themes, quotes, character analysis, study quizzes, and even flash cards and infographics.