Robert Sabuda's Pop-Up Book "The Twelve Days of Christmas" is a song from Mother Goose. The pop-up book author, Robert Sabuda, is an American who has created many pop-up books. "The Twelve Days of Christmas" is particularly a masterpiece, and it used to be sold in bookstores that carry foreign books in Japan during the Christmas season, but unfortunately, it is no longer in print. It is a book published in 2007.