I don't know how many of you can use these or want to read them since I don't read that many older books but here is a list of over 5000 book from Agatha to Zora Neale, take a look at the list of books at the bottom of the link and see if there are a few that you might like, you can always delete the rest.
The List
http://dl.dropbox.com/u/10330167/Boo...%28HTML%29.htm
The Link To Download Them All
http://www.kat.ph/over-5000-books-ep...-t5988859.html