I think my new book would be the easiest and maybe the best to make into a movie. Pipe dreams, anyway.
I know absolutely nothing about translating a novel into a movie but right now or maybe a few months from now might be a good time for you.
Obama will have totally messed up everything and your books will be ahead of the story.
I personally would love to see them all made into movies, that is if they did them right and not change them so much that you would not recognize the main theme.