Book Search Pro 2.0
Description from the publisher
This is an easy-to-use search tool. It allows you to search thousands of PDF, DOC, PPT, RTF, XLS files from internet. It's as easy as you're googling. You just type keywords and hit enter, then you will get thousands of results instantly. It's freeware. Feel free to use and distribute this one.
Other products of this publisher
The most comfortable book search engine. Supports many file types.