3 ms·Has any work been done on this book since 2013?by soberhoff 9y agoHas any work been done on this book since 2013?abowenmc 9y agoSome of the posted chapters have had typos corrected since then. There are other unposted chapters that have been developing somewhat since then.webmaven 9y agoWhat are the subjects/titles of the unposted chapters?