Chapter 6 The Adventure of Black Peter I have never known my friend to be in better form, both mental and physical, than in the year '95 . His increasing fam e had brought with it an immense practice, and I should be guilty of an indiscretion if I were even to hint at the identity of some of the i llustrious clients who crossed our humble threshold in Baker Street. Holmes, however, like all great artists, lived for his art 's sake, and, save in the case of the Duke of Holder - nesse, I have seldom known him