DK Yingst is a cartoonist and digital artist from southeast Louisiana and has an MFA in sequential art from the Savannah College of Art and Design. She created the graphic novel adaptation of Karen's Grandmothers by Ann M. Martin. DK loves cute coming-of-age stories, going for meandering hikes, and playing farming sims to relax. She lives in Alabama with her fiancé, their dog, Cookie, and their two cats, Koopa and Connie. Visit her online at dianneyingst.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.