Comprehensive Non-fiction Book Editing

I'm presently in need of a seasoned editor with a focus on non-fiction work. The responsibilities of this project will include comprehensive editing of my book, with a particular focus on:

- Ensuring top-notch language quality
- Rectifying all grammatical errors
- Enhancing the readability and flow of the book
- Maximizing the book's impact on its intended audience

The ideal person for the job should have a knack for understanding complex subjects and a track record in non-fiction book editing. Comprehensive proofreading skills are a prerequisite. Your role will be crucial in transforming the manuscript into a polished and readable final draft.