Both e-books and paper books had their own advantages and disadvantages. The choice of books depended on one's personal preferences and needs. The advantage of e-books was that they could save space and were easy to carry. Moreover, many e-books were free or cheap. E-books can also adapt to different reading habits through different format and screen size. For example, e-books can be read on tablets or smart phones, while paper books are more suitable for traditional desktop readers. On the other hand, paper books had the following advantages: 1. The texture and smell of paper books are more realistic and the reading experience is more comfortable; 2. Paper books can better protect the privacy and information security of readers; 3. Paper books cost more but provide higher quality content and richer chapters. Therefore, choosing an e-book or a paper book depended on one's personal preferences and needs. If you like the lightness and free of charge of e-books, you can choose e-books. If you like the texture and reading experience of paper books, you can choose paper books.