You've been patient while I've been busy. Chapters 18-21 are in queue and will come at a steady rate over the next couple of weeks. I'll try and keep the queue fed with more chapters to keep a steady pace.
I now have 7 books written, and material for an 8th. Books 3-7 will also need some polishing but significantly less.
If I were to make the rough drafts available on Patreon, would you be interested?