Written in the form of intimate letters, this 1915 collection covers a wide range of literary subjects, including Edgar Allan Poe, John Milton, the legend of Faust, Nietzsche, J. M. Barrie, Swinburne, Kipling, John Galsworthy, George Meredith, Anatole France, journalism, satire, mystics and pessimists, “A Publisher’s Book Trade Dinner,” and “On the Wisdom of Doing Nothing.”