So you want to publish a book?
Sometimes, publishing can be as simple as having access to the means of production: a printer, glue, and a craft knife.
We create what others need
Discussing the process feels like a possible jinx, and I suspect that this is at least part of reason people tend to be hidden and secretive.
Should you do a writing course? (and what if you can't)
I mean, if you can, amazing. But if you can't, here's some suggestions.