Books on the 'net w/searchable text

I need to do a quick text search through a book (ala using F2 in MSWord). Are there any 'net sites that provide books that can be downloaded and searched or am I looking at a long night?

Two sources for downloadable classics online:

The Gutenberg Project
The Internet Classics Archive

Because of copyright rules, no modern texts are available.

For modern titles, try either netLibrary or You’ll need to pay for the books just like at a bookstore, but they’re downlodable.

If it’s a famous book in the public domain, you may not need to download it. I’ve had good luck searching at