Alison McGhee is the New York Times bestselling author of Someday, as well as Firefly Hollow, Little Boy, So Many Days, Bye-Bye Crib, A Very Brave Witch, and the Bink and Gollie books, which are co-written with Kate DiCamillo.

Her other children’s books include All Rivers Flow to the Sea and Snap. She lives in Minneapolis, Minnesota; 

Harry Bliss is a cartoonist and cover artist for the New Yorker magazine.

He has illustrated many picture books, including the New York Times bestselling series by Doreen Cronin: Diary of a Worm, Diary of a Spider, and Diary of a Fly. Harry Bliss lives in Vermont, USA.