Megan McDonald is the author of the hugely popular Judy Moody and Stink series, which have been published around the world in multiple languages. She is also the author of many other picture books and novels for children, including Bunny and Clyde and Bunny and Clyde on the Lam , both illustrated by Scott Nash, and all the books in the Fairy Door Diaries series. She earned a BA in English from Oberlin College and an MLIS degree from the University of Pittsburgh. Born and raised in Pittsburgh, Megan McDonald now lives in Sebastopol, California. Lenny Wen loved nothing more as a child than escaping into her imagination and filling paper with stories, drawings, and doodles. As an adult, she pursued her passion for storytelling and children's book illustration when she wasn't working, going to class, or helping her parents run their business. She is the illustrator of all the books in the Fairy Door Diaries series. She is also the illustrator of Old Friends by Margaret Aitken and the author-illustrator of Spicy Spicy Hot! and Wolfgang in the Meadow .

Born in Indonesia, Lenny Wen now lives in Austria.