We target critical factors like originality and continuity of storyline, consistency and depth of character enhancement, length/phrase count and also other aspects contributing to your readability of the book. My proofreading method used to get months, and I needed to hire 3 freelancers. With Spines, I can do it in https://whitemagicstudios.co.uk/blog/how-a-professional-book-cover-design-took-my-book-to-the-next-level/