Monsters, Aliens, and Holes in the Ground features (among other things) bunnies, ghostbusters, soap operas, criminal bears, space monsters, political intrigue, vampires, romance, and, of course, some dungeons and dragons. In a decade-by-decade breakdown, Horvath chronicles how RPGs have evolved in the time between their inception and the present day, offering a deep and gratifying glimpse into a hobby that has changed the way we think about games and play.