Book excerpt: Can you catch mistakes in your own writing? Can you identify and correct common writing errors? Would you like to become an effective proofreader for personal growth or profit? Before you write a book, launch a business or start a side-hustle, you must learn to produce error-free writing. "Proofreading Power: Skills & Drills" provides essential rules, guidelines and tips to quickly boost your editing prowess. Train your eye to catch mistakes in the smallest of details with practical exercises on grammar, mechanics, usage, punctuation and spelling. Try your hand at correcting everyday writing samples, such as essay responses, job descriptions, business letters, and blog articles.