因特网的发展带来了电子图书这一新生事物 ,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也开始将触角深入电子图书出版领域。微软公司开发出的一种新电子图书阅读软件 ,成为电子出版界的新宠。除电子图书格式外 ,成本越来越低的数字印刷技术正在挑战 The development of Internet has brought the new thing of electronic book. The electronic book downloading on the Internet is being favored by American readers day by day. Some big print publishers in the United States have also begun to probe the field of electronic book publishing. Microsoft developed a new e-book reader software, becoming the new darling of the electronic publishing industry. In addition to e-book formats, digital printing technologies at lower and lower costs are challenging