Michael Robin is the author of DC Super Heroes My First Dictionary and the Official DC Super Hero Joke Book. A lifelong fan of DC comics, he is a librarian and father of 4. Nathanael Katz is a lifelong Super Hero fan. He lives in New York City. Noah Smithis the author of The Big Book of Super Hero Bedtime Stories, The Big Book of Batman and The Big Book of Superman. He is also a contributing writer for The Official DC Super Hero Joke Book. A comedy writer and playwright, he has written material for "Weekend Update" on Saturday Night Live, and his plays have been produced in forty-four states and on four continents.