In the last seven years I have written three books that failed. They are unreadable, and in my desk drawer for good. Two nonfiction and one fiction. That's a lot of dollars, time, and sweat, wasted.
So... I stopped writing my current book and asked myself "What am I doing wrong?"
It's not as if I don't know how to publish a book. I've published two trade books since retiring. Before retiring, when I had my technical writing business I planned, researched, wrote, and published over 300 technical books of all kinds for the corporate market.
I decided to assume that I knew nothing, and start from scratch. I began with Google searches on how other people go from idea to published book.
Fortunately I found the website of Marissa Meyer. She wrote a brilliant description of her process of going from idea to finished book.
As I reviewed Meyer's process I realized that when writing commercial trade books and fiction, the second draft process is critical. Meyer writes:
"The second draft is the most complicated stage of my writing process, and half the time I feel like I have to re-learn this part with each new book, but I’ll do my best to break it down into something that seems halfway logical..."
She then explains how she revises her first draft, using Scrivener.
Meyer is the first author I've read who really explains how to revise a second draft, and I have about 150 how-to-write books on my bookshelves. (I collect them as a hobby.)