Which book proofreading methods really work?

<p>Hi everyone, I’m preparing to publish my first eBook and want to ensure it’s error-free. I’ve been researching <a href="https://americanebookcompany.com/book-cover">ebook proofreading services</a>, but I’m unsure which ones are reliable and effective. Has anyone here tried them? I’d love to hear your experiences, tips, or recommendations for book proofreading methods that help catch typos, grammar issues, and formatting errors before publishing.</p>