Philip C. Stead is the author and illustrator of A Home for Bird; Hello, My Name is Ruby and Sebastian and the Balloon. Erin E. Stead is the illustrator of many picture books, including the acclaimed And Then It's Spring and If You Want to See a Whale. Together, Philip and Erin created A Sick Day for Amos McGee, winner of the 2011 Caldecott Medal, as well as Bear Has a Story To Tell, named a Best Book of the Year by Kirkus Reviews. This is their third book together. They live in a 100-year-old barn in Ann Arbor, Michigan, USA.