Non-Fiction eBook Grammar Review

I am looking for a proficient proofreader to go through my non-fiction e-book with less than 10,000 words. The scope of this proofreading task is strictly for spelling and grammar checks. A keen eye for detail and outstanding grasp of English language is essential for this job. Past proofreading and editing experience with non-fiction content will be highly favored. Let's make my e-book immaculate.