The Adventure of the Greek Interpreter Sherlock Holmes, far from being a one-off in terms of his powers of observation and deductive reasoning, in fact has an elder brother whose skills, or so Holmes claims, outstrip even his own. As a consequence of this, Watson becomes acquainted with the Diogenes Club and his friend's brother, Mycroft. Mycroft, as Watson learns, does not have the energy of his younger brother and as a consequence is incapable of using his great skills for detective work: In spite of his inertia, the elder Holmes has often delivered the correct answer to a problem that Sherlock has brought to him.
The Adventure of the Bruce-Partington Plans The Adventure of the Bruce-Partington Plans "The Adventure of the Bruce-Partington Plans" is one of the 56 Sherlock Holmes short stories written by British author 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. The monotony of thick smog-shrouded London is broken by a sudden visit from Holmes' brother Mycroft. He has come about some missing, secret submarine plans. Seven of the