Posted April 03, 2020 by evilhat
An updated version of this title is now available. This brings the PDF into line with the print edition that is going to press now (due out April 20th, 2020). This involved making a few corrections, including a modification to the copyright page, and various minor typo, system, and clarity corrections to pages 63, 64, 72, 78, 92, and 94.