The Kindle version of Volume 3 of the Operating System Design Book Series is now available.
I have also done a little updating and added more details to some of the other books. When I get a substantial amount updated, I will release their next revisions. For now, if you have any questions, please feel free to contact me at fys (at) fysnet (dot) net. If you would like a specific subject added or expanded upon, let me know.