Betty G. Birney has won many awards for writing for television, including an Emmy, three Humanitas Prizes, and a Writers Guild of America Award. In addition to the Humphrey series, she is the author of The Seven Wonders of Sassafrass Springs and The Princess and the Peabodys. She grew up in St. Louis, Missouri, where her parents grew up as neighbors on Humphrey Street. Find fun Humphrey activities and teacher's guides at bettybirney.com.

Priscilla Burris is the illustrator of many books for children, including Mom School, Dad School, Isabelle & Isabella's Little Book of Rules, I Love You All Day Long, and the Heidi Heckelbeck series. Priscilla holds a creative design degree from the Fashion Institute of Design and Merchandising, as well as an early-childhood education certificate. She is a member of the board of advisors for the Society of Children's Book Writers and Illustrators, as well as being its national illustrator coordinator and advisor. She resides with her family in Southern California.
You can find her on Facebook, on Twitter @priscilladesign, and at priscillaburris.com.