John Kloepfer is the author of the popular Monsters Unleashed and Zombie Chasers series, as well as the out-of-this-world alien trilogy Galaxy's Most Wanted. He lives in Los Angeles with his wife, Jenny, and their dog, Doozy.

David DeGrand has been drawing cartoons since he was a kid. When he's not drawing goofy pictures of gross stuff, he plays video games, watches old cartoons and weird movies, and collects toys and books. His biggest goal is to create something his son will find cool someday. He lives with his wife and family in Texas.