Utilizing ChatGPT for editing purposes goes beyond mere grammatical corrections. It's about refining the essence of your writing to make it not only error-free but also compelling and engaging for your readers.

Here's how AI-enhanced editing matters and why it's a pivotal step in creating a successful book:

1. Grammar and Language Refinement: ChatGPT can effortlessly identify and rectify grammar and spelling errors. However, its capability extends to offering language refinement suggestions, ensuring your prose is more eloquent and clear.

2. Consistency and Flow: AI helps maintain consistency throughout your manuscript. It ensures the flow of ideas is smooth, coherent, and logical, thereby preventing reader confusion.

3. Style Enhancement: ChatGPT can adapt to different writing styles, from formal to conversational, suiting the specific tone of your book. This is vital as it maintains the voice and personality of the author, creating a consistent experience for readers.

4. Content Enhancement: Beyond mere grammatical checks, ChatGPT can offer suggestions to improve content quality. It can propose better ways to convey ideas, rephrase sentences, or offer additional insights, enriching your writing.

5. Captivating the Reader: Engaging writing is crucial in keeping readers immersed in your book. AI-enhanced editing helps in crafting compelling sentences and paragraphs, which are key to holding the reader's attention.

Ultimately, AI-enhanced editing using ChatGPT is not just about rectifying errors; it's about transforming your manuscript into a professional, engaging, and polished work. It's this attention to detail that significantly contributes to captivating your audience, keeping them invested in your book, and ensuring a positive reading experience.