Been creeping for few months. Saw everyone input Q's trips into Google books, got some cool hits. I was cruising all Q's first crumbs. This 4920-a 293883 zAj-1 0020192 < on Nov 2. Ran through Google Books. Got this… Manual for the Solution of Military Ciphers…. And also this … Alice's Bloody Adventures in Wonderland…which is obvious…

Military Ciphers seems interdasting.