Armchair Fiction presents extra large editions of classic science fiction double novels. The first novel "The Time Projector" is a grand sci-fi adventure by venerable sci-fi author, David H. Keller, M. D. No one knew where they came from. They were great white clouds that began appearing at regular intervals, floating high over Central Park in New York City. But on the face of these clouds were live action images, much like those on a movie screen...