Sharon Katz Cooper is a science educator and freelance writer who specialises in science and social studies topics. She has written more than 25 books for children, including a series called Horrible Habitats, which was recommended by the National Science Teachers Association (NSTA). She is based in Pittsburgh, Penn., where she lives with her husband and three boys, Reuven, Judah, and Yaron.
Janna Rose Bock is a freelance illustrator in Long Beach, California. She earned a BFA in illustration from California State University, Long Beach, and later continued her education at Concept Design Academy in Pasadena. She specialises in digital illustration and whimsical stylized illustrations.