I love stories where the impossible appears believable, plausible and real. Maybe it's silly, but it's one of the reasons Michael Crichton's writing always appealed to me: he took outlandish ideas and made them seem completely within the realm of possibility. I remember reading "Jurassic Park" and feeling like: "Oh, yeah -- no, that's totally happening right now. They're bringing back dinosaurs! - J. J. Abrams