Gary Greenberg is a writer and supervising producer at Jimmy Kimmel Live, where he’s worked for twenty-one years. He’s the author of the national bestsellers The Pop-Up Book of Phobias and Be Prepared (with Jeannie Hayden), as well as The Pop-Up Book of Nightmares and Self-Helpless (with Jonathan Bines).

Jeannie Hayden is the author of the national bestseller Be Prepared (with Gary Greenberg). She’s an award-winning illustrator and graphic designer whose client list includes Nickelodeon and the American Museum of Natural History. She is also an accomplished fine artist. You can find her oil paintings at JeannieHayden.com.