The Adventure of Bruce-Partington Plans

Featuring the second and final appearance of Mycroft Holmes, this Sherlock Holmes short story delves into a thrilling mystery surrounding stolen plans for a submarine. Set against a backdrop of espionage, the narrative showcases Holmes's deductive prowess as he navigates a web of intrigue. Sir Arthur Conan Doyle himself regarded this tale highly, placing it fourteenth among his favorite Holmes stories, making it a notable entry in the collection "His Last Bow."