Singer Mariah Carey is releasing her first-ever children?s book inspired by her hit holiday song ?All I Want For Christmas Is You.? The picture book, which is named after the track, will center on a little girl who wants a puppy for Christmas and will include lyrics from the song. She tells People.com, ?When I wrote ?All I Want For Christmas Is You? it was my dream for it to become a classic Christmas song. I am so proud of the song?s impact as it continues to create memories for fans each year.