The Disappearance of Lady Frances Carfax (annotated)

"The Disappearance of Lady Frances Carfax" is one of the 56 Sherlock Holmes short stories written by British author Sir Arthur Conan Doyle. It is one of the eight stories in the cycle collected as His Last Bow, and one of the few stories in which for much of the plot Watson must act alone and try his best with Holmes left in the background.