cover and interior illustrations by Mary O'Keefe Young [cover and interior illustrations by Mary O'Keefe Young cover and interior illustrations by Oana Befort cover and interior illustrations by Levi Pinfold [cover and interior illustrations by Levi Pinfold [cover and interios illustrations by Levi Pinfold back cover and interior illustrations by Anne Duax jacket art and interior illustrations by Dan Yaccarino. interior illustrations by Jody Wheeler interior illustrations by David Yoon.