Ellen Tarlow writes stories for children, including the picture books Looking for Smile, Becoming Blue, and The Tiny Thing. She has been a teacher and for many years worked as an editor of early childhood classroom materials. Ellen lives in the Hudson Valley with her husband, David, a painter. 

Julien Chung has been a professional designer and illustrator for over twenty-five years. He is the illustrator of picture books such as Chicka Chicka Ho Ho Ho, Chicka Chicka Tricka Treat, and Chicka Chicka Peep Peep, companions to the bestselling Chicka Chicka Boom Boom; Becoming Blue by Ellen Tarlow; Vrooom, Vrooom! by Mary Lyn Ray; and 365 by Miranda Paul. He has created licensed characters for brands worldwide and worked for La Presse newspaper in Montreal, Quebec. He lives in Montreal with his wife and a lovebird named Cookie.