Two novels by Bruce Coville, both about a teacher who turned out to be an alien (I think one of them was called something like, "My Teacher Fried My Brains!"). I remember, specifically, a scene aboard a spaceship in which the narrator encountered a machine that could produce literally anything he thought of - e.g., a skateboard, a hamburger, a pair of sneakers. I haven't found the passage since (and I've looked), but I remember it as the first time a book ever really made my heart pound.
― David Elinsky (David Elinsky), Thursday, 22 July 2004 22:03 (twenty-one years ago)