Elmo's Merry Christmas/Oscar's Grouchy Christmas - Sesame Street - PicturebackR Author:Christy Webster ?Merry Christmas!? and ?Bah, humbug!? Sesame Street?s Elmo and Oscar the Grouch have slightly different feelings about Christmas! Girls and boys ages 4 to 7 will smile as they find out about both in this two-in-one paperback storybook with more than 50 stickers.