书内搜索本已是Google Books最有用的功能，但其搜索结果只能在一个小边栏中显示。
Before, searching within a book was already one of the most useful features of Google Books, but search results were only displayed in a small sidebar.
Google Books通常可以使用“在书内搜索”且提供封面图像，图书目录等等。
Google Books often allows a "search inside the book" and provides a cover image, table of contents, etc.
Google的这次竞赛属于传统的营销方式，更多的web应用程序也能够通过这种形式获益，此外竞赛无疑还将书内搜索新功能介绍给了广大用户。
The contest is the kind of traditional marketing that more web applications could benefit from and will no doubt introduce many new people to the features of the service.
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