Derek Fridolfs is a New York Times bestselling author. With Dustin Nguyen, he cowrote the Eisner-nominated Batman: Li’l Gotham. He’s also written and worked on such comics series as Batman: Arkham City Endgame with Paul Dini, Detective Comics, Legends of the Dark Knight, Adventures of Superman, Sensation Comics Featuring Wonder Woman, Catwoman, Zatanna, JLA, Justice League Beyond, and comics based on the cartoons for Adventure Time, Regular Show, Clarence, Pig Goat Banana Cricket, Dexter’s Laboratory, Teenage Mutant Ninja Turtles, Teen Titans Go, Looney Tunes, and Scooby-Doo Where Are You! He’s written several chapter books for Capstone based on the Justice League.