Prequel and Sequel to “Harry Potter and the Methods of Rationality”, bridging first into a medieval setting in which the magic system works like incremental programming and then into the present day, in which it works like logical programming. Philosophically, the medieval setting is post-modernism and the present day is analytic philosophy, while HPATMOR is enlightenment rationalism. It’s a bit like a digital Alice in wonderland.
After reading his later letters I strongly disagree. He was a paranoid xenophobe but he’s nowhere as malicious.