From the bestselling author of the generation-defining series The Baby-sitters Club comes a series for a new generation! Will Karen's wish come true?Karen can't wait for Christmas! She and Andrew are writing to Santa, baking cookies, and decorating their tree. Karen is even learning about other holidays like Hanukkah. She is all ready for the big day. But then Karen's grandmother Nannie gets sick. And now Karen doesn't want Christmas to come at all unless she gets her one wish!