电子图书是指在电脑上阅读的电子读物。它具有占空间小、重量轻，方便检索、不需纸张、成本低等诸多优点。电子图书的出现使人们的阅读方式以及图书出版、发行都发生变革。在因特网上看书，在网上下载电子图书正日益受到美国读者的青睐。美国一些大的印刷出版商开始将触角深入 E-books are electronic books that you read on your computer. It has a small footprint, light weight, easy retrieval, no paper, low cost and many other advantages. The emergence of e-books to make people read the way as well as the book publishing, distribution changes. Reading books on the Internet and downloading e-books online are increasingly favored by American readers. Some big print publishers in the United States have begun to probe into their reach