它提供了关于某一主题所有书籍的信息，包括书名，封面图片，评论等级以及推荐该书的人数。
Here all books about a particular topic are presented, including the title, cover image, review rating and number of people who have recommended it.
在HC模式下，所有背景设置无效，包括图片和颜色。因此，应用程序中应有专门的代码处理HC模式。
In HC mode, all the background Settings will not take effect, including images and colors, so there should be specific code defined in the application for the HC mode.
还值得一提的是，该应用程序用来隐藏数据的技术也可以用来在图片中存储所有类型的数据，包括文本、Portable Data Format (PDF)、甚至其他图片。
It is also worth mentioning that the techniques this application USES to hide data can be used to hide all types of data in an image, including text, Portable data Format (PDF), and even other images.
应用推荐