Mark Twain: A Biography. Volume III, Part 2: 1907-1910

book came I would have no trouble with it.

Without going further with this matter, I may say here that the book arrived presently, and between us we did work out a considerable number of the claimed acrostics by following the rules laid down. It was certainly an interesting if not wholly convincing occupation, and it would be a difficult task for any one to prove that the ciphers ar...