Max Brallier (maxbrallier.com) is the New York Times bestselling author of more than thirty books and games, including the previous books in the Last Kids on Earth series. He is the creator and writer of Galactic Hot Dogs, an ongoing middle-grade web serial and book series with Aladdin. He writes for licensed properties including Adventure Time, Regular Show, and Uncle Grandpa. Under the pen name Jack Chabert, he is the creator and author of the Eerie Elementary series for Scholastic Books. In the olden days, he worked in the marketing department at St. Martin's Press. Max lives in New York City with his wife and daughter.

Douglas Holgate has been a freelance comic book artist and illustrator based in Melbourne, Australia, for more than ten years. He's illustrated books for publishers including HarperCollins, Penguin Random House, Hachette, and Simon & Schuster, and comics for Image, Dynamite, Abrams, and Penguin Random House.