Lily Williams is the critically acclaimed author and illustrator of the If Animals Disappeared picture book series and of a middle-grade graphic novel, Exposures . With Karen Schneemann, she is the co-creator of Go with the Flow , which was nominated for an Eisner Award, and Look on the Bright Side . Lily lives in Colorado, where she is an elementary art teacher. Visit her online at lilywilliamsart.com. Ann M. Martin is the creator of The Baby-sitters Club, which has more than 190 million books in print, making it one of the most popular series in the history of publishing. Her novels include A Corner of the Universe (a Newbery Honor Book), Belle Teal , Here Today , A Dog's Life , On Christmas Eve , and the Main Street and Family Tree series, as well as the much-loved collaborations P.

S. Longer Letter Later and Snail Mail No More with Paula Danziger. Ann lives in upstate New York.