Wendy Mass is the author of award-winning books for young readers, including 11 BIRTHDAYS, FINALLY, 13 GIFTS, THE LAST PRESENT, and the Twice Upon a Time series: RAPUNZEL, THE ONE WITH ALL THE HAIR; SLEEPING BEAUTY, THE ONE WHO TOOK THE REALLY LONG NAP; and BEAUTY AND THE BEAST, THE ONLY ONE WHO DIDN'T RUN AWAY; as well as A MANGO-SHAPED SPACE, JEREMY FINK AND THE MEANING OF LIFE, HEAVEN LOOKS A LOT LIKE THE MALL, LEAP DAY, EVERY SOUL A STAR, and THE CANDYMAKERS. She lives with her family in New Jersey.