Daniel Wallace is a comic book expert, sci-fi sage, and lifelong geek. Author or co-author of more than a dozen books including The Art of Superman Returns, The DC Comics Encyclopedia, The Marvel Comics Encyclopedia, and the New York Times bestselling Star Wars: The New Essential Guide to Characters, he has alternately found himself trading tense questions with Kevin Spacey about head-shaving and banging out three thousand trivia questions for Star Wars Trivial Pursuit.