To determine whether the book Operating Room Nurse was genuine or not, the following points could be considered: 1. Check the publication date: The publication date of a genuine book should be clearly printed on the cover. You can search the publication date of the book online to confirm whether the book is consistent with the publication date. 2. Check the waist or back cover of the book: The waist or back cover of a legitimate book usually has the logo of the publishing company, the publication date, the copyright notice, and other information. However, pirated books might not have such information. 3. Check the ismn number: The ismn number of a genuine book should be the same as the printed number in the book. You can search for the book's IDN number on the Internet to confirm whether the book's IDN number matches the number printed in the book. 4. Check the packaging of books: Genuine books are usually packaged in a complete box, book cover, spine, etc. Pirated books might have incomplete packaging or poor quality. 5. Check the cover of the book: The cover of a legitimate book usually has a clear photo or illustration, as well as information about the author and the bookstore. However, pirated books might not have such information. 6. Check the copyright status: You can search the copyright status of the book on the Internet to confirm whether the copyright of the book has been violated. In short, the above methods could be used to determine whether a book was authentic. If you're not sure, you're advised to buy from a regular bookstore or an online bookstore to ensure the quality and copyright of the book.