As I was spending time at a rural retreat in OK this 4th July weekend, I used it to work out how much of a book I could draft up and crank out over that long weekend.
During that weekend I wrote 18000 words, which took me from 4000+ to 22600 words drafted. I did my best to suspend any in-flight judgement, which is one of my challenges when writing. In other words, other than typos, I did not edit myself as I was writing. This will probably lead to editing and polishing, but hopefully I will be able to identify which are the good bits that need further work, and which sections are not worth further work.
Right now, I look to have enough material, based on estimates so far, for at least 2 books. There is a bigger issue about how to package the material that I need to work on in parallel with the actual writing.