Max Brallier is the New York Times-bestselling author of more than 20 books for children, including the Mister Shivers early reader series, Galactic Hot Dogs, and The Last Kids on Earth middle-grade series. Under the pen name Jack Chabert, he is the creator and author of the Eerie Elementary series with Scholastic Branches. Max lives in Los Angeles with his wife and daughter.

Letizia Rubegni is a children's book illustrator who aims to create a well-balanced mixture of darkness, grotesque, and humor in her artwork. From a very early age, she fell in love with storytelling through pictures. After graduating in Scenography from the Academy of Fine Arts in Florence, Letizia gained further qualifications as a television cartoonist and graphic designer. Letizia lives in Tuscany, Italy.