I think some of the complexity in books is a result of different drafts coexisting in the same book

I extensively revised Enter Title Here after the book sold: I deleted and rewrote almost a third of the book. But the revision wasn't even. Some sections--most sections--of the book were completely untouched. I only changed the parts that dealt with her parents, her best friend, and her love interests. But all the scheming and chicanery involving her sc…