Rajani LaRocca is a physician and an author of books for young readers, such as Midsummer's Mayhem and Seven Golden Rings. She was born in Bangalore, India, and immigrated to the United States when she was very young. She now lives in eastern Massachusetts with her family.

Greg Paprocki works full-time as an illustrator and book designer. He has illustrated several Curious George books, as well as The Big Book of Superheroes. He began his career as an advertising art director after studying fine art and graphic design at the University of Nebraska.