Daniel Wallace is a comic book expert, sci-fi sage, and lifelong geek. Author or coauthor of more than two dozen books, including The Jedi Path, Man of Steel: Inside the Legendary World of Superman, DC Comics Year by Year, The Marvel Encyclopedia, and the New York Times best-selling 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. Other universes he has worked with include Smallville, Indiana Jones, and Supernatural.