If you just want to search on a single word, try the Java applet search engine which I wrote entirely myself. It uses a highly tuned index generated by my own Java indexer specially for this book.
If you want to search for a phrase or a Boolean combination of words and/or phrases, use the full power of a major search engine focused specifically at this book by clicking on AltaVista. Just add your search criteria immediately after what has already been placed in the AltaVista search box.