Megan McDonald grew up in a house full of books, and her four sisters inspire many of her stories. When she was 10, her first story was published in her school newspaper. Megan vividly remembers growing up in the 1970s. She lives with her husband in Sebastopol, California, where she writes the Judy Moody series and many other books for young people.

Maike Plenzke studied illustration at the Hamburg University of Applied Sciences Department of Design. She currently lives in Berlin with her partner and their dog. In her studio full of plants, Maike loves to create colorful illustrations for book covers, magazines, comic books, and other exciting projects.