Eva Wong Nava writes stories that explore identity, culture, and belonging. Her books include an award-winning middle-grade novel and the picture books Dancing Dumplings for My One and Only, illustrated by Natelle Quek, and The Moon Rabbit, illustrated by Jason Chuang. The family in Wednesday Is for Wiggling is inspired by her own. Eva Wong Nava grew up in Southeast Asia and now lives in London.

Holly Sterling is the author-illustrator of Karate Kids, Ballet Kids, and Hiccups! and the illustrator of the 15 Things Not to Do with a . . . series by Margaret McAllister and the Everybody Feels series by Moira Butterfield. An instructor of illustration and design at the University of Sunderland, Holly Sterling lives in England.