“The Gentleviewer’s Obsessive Guide to Buffy the Vampire Slayer” is a compendium of the show’s pop culture references and more. Included are color-coded tables plotting the character participation in each episode; tables of the writers, directors, and actors; episode listings for the bands that perform in the Bronze; and story arcs for the main characters of the show, which give you the viewing maps of the minimum episodes to get their full stories. But the main focus of this guide is an exhaustive listing of the numerous cultural references that pop up throughout the show. Topping off this guide is a robust index with more than 1,500 entries, giving you all the answers. Which episode was it that has Xander’s reference to Cannibal: the Musical? In which episode does Spike first come to Sunnydale? When is it that Buffy finally tells the Watcher’s Council that without her, they might as well be watching Masterpiece Theater? “The Gentleviewer’s Obsessive Guide to Buffy the Vampire Slayer” should provide hours of fun for Trivial Pursuit enthusiasts as well as fans of Buffy, the other residents of Sunnydale, and the genius of Joss Whedon. But be warned that this book is basically comprised entirely of spoilers.