Tricia Springstubb is the author of the novels What Happened on Fox Street and Mo Wren, Lost and Found, as well as the picture book Phoebe and Digger, illustrated by Jeff Newman, and the previous books in the Cody series. Tricia Springstubb lives in Cleveland Heights, Ohio.

Eliza Wheeler is the bestselling author and illustrator of Miss Maple's Seeds and was a 2017 Sendak Fellowship recipient. She has illustrated the Newbery Honor Book Doll Bones and Wherever You Go (written by Pat Zietlow Miller), among others. She lives in Minnesota.