Remember I am new, and don't completely understand all the logistics involved here. I am realizing all the work you all do, and appreciate it...my question is this. I have found two Agatha Christie books out there. Are there any more available or are her books still under copyright? She is one of my favorite authors. How about Dashneil Hammett, or Mickey Spillane, or Raymond Chandler? To keep from asking dumb questions in the future, if I am interested in particular authors, how would I find out if their works are still under copyright? Thanks for your time.........Donna