"The Adventure of the Bruce-Partington Plans" is one of the 56 Sherlock Holmes short stories written by Sir Arthur Conan Doyle. It is one of eight stories in the cycle collected as His Last Bow, and is the second and final appearance of Mycroft Holmes. Doyle ranked "The Adventure of the Bruce-Partington Plans" fourteenth in a list of his nineteen favourite Sherlock Holmes stories.Sir Arthur Conan Doyle was born the third of ten siblings on 22 May 1859 in Edinburgh, Scotland. His father, Charles Altamont Doyle, was born in England of Irish descent, and his mother, born Mary Foley, was Irish. They were married in 1855.