The difference between the book version and the online version of a novel usually included the following aspects: 1. The copyright of the book and the online version of the book belong to different companies or individuals, so there may be some differences in copyright. In the book edition, the copyright of the book was usually held by the publishing company, while in the online edition, the copyright of the book was usually held by the author or copyright agent. 2. Print quality: The printed version of a book is usually of higher quality than the online version because the publishing company needs to ensure that the quality of the book meets the expectations of the readers. 3. Typography and format: The publishing version of a book will usually be more strict in terms of typography and format to ensure the book's legibility and legibility. The layout and format of the online version of the book might be more flexible because the author could adjust it according to his own needs. Price: The price of a book is usually higher than the price of an online book because the publishing company has to pay more to publish the book. 5. Reader group: The published books usually target a wider range of readers, including professional readers, reader groups, students, and so on. The online version of the book was more targeted at specific readers. 6. Promotion: The published book needs to be widely promoted to ensure that readers can find and buy the book. The online version of the book needed to rely on search engines and social media to promote it. The book version and the online version of the novel were different in terms of copyright, printing quality, typography and format, price, readership, and publicity. The readers could choose the version that suited them according to their needs.