El Peor Día de Karen
(La Hermanita de Las Niñeras #3)

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.
Raina Telgemeier is the #1 New York Times bestselling, multiple Eisner Award-winning creator of Smile, Sisters, and Guts, which are all graphic memoirs based on her childhood. She is also the creator of Drama and Ghosts, and is the adapter and illustrator of the first four Baby-sitters Club graphic novels. Facing Feelings: The Art of Raina Telgemeier is a companion catalog for an exhibition held at The Ohio State University's Billy Ireland Cartoon Library & Museum. Raina lives in the San Francisco Bay Area. To learn more, visit her online at goraina.com.