Megan Cooley Peterson is an author, editor, and coffee drinker. As a teenager, Megan was part of a repressive, cult-like doomsday church that didn't like to be questioned. She questioned anyway. The author of more than 80 nonfiction books for children, she has written on a wide variety of topics, including dinosaurs, sharks, urban legends, and haunted objects. This is her first YA novel. She lives in Minnesota with her husband and daughter.

Christian Cornia is a character designer, illustrator, and comic artist. He teaches character design at the Scuola Internazionale di Comics of Reggio Emilia.

He is also part of the Italian community of Urban Sketchers. He has created artwork and characters for many publishers, advertisers, video games, and role-playing games. He lives in Modena, Italy.