With the development of technology, today, our life is facilitated with all kinds information sources. We can read books on the Internet, which is much convenient than buying the books in the stores. I like to read E-books, because there are many advantages. First, I can save a lot of money. Downloading the E-books is for free, I can find all kinds of free sources. It is good for students because they can save the money. Second, I can save a lot of time. Some books are not easy to be found in the bookstore, sometimes I need to go to several shops. But if I search the Internet, then the information is in front of me. How fast it is.