Proofread 28 Self-Development eBooks

I have twenty-eight short self-development eBooks (about 30,000 characters in total) that now need a careful proofread. Your job is to correct every grammar, spelling, and punctuation slip while keeping the existing English variety exactly as it is written... (Budget: $10 - $30 AUD, Jobs: Article Rewriting, Content Writing, Copy Editing, Editing, Ghostwriting, Language Tutoring, Proofreading, Writing)