Salina Yoon is an award-winning author-illustrator of nearly two hundred books for children, including Duck, Duck, Porcupine!, the Penguin series, the Bear and Floppy series, and Be a Friend. She studied art and design at the Art Center College of Design in Pasadena, California, and now lives in San Diego with her family. www.salinayoon.com (Bio via https://www.bloomsbury.com/author/salina-yoon)