Is Greg Heffley in over his head? Find out in Diary of a Wimpy Kid: Book 15, the newest book by #1 international bestselling author Jeff Kinney! With millions of books sold around the world in 65 editions and 56 languages, Wimpy Kid has turned millions of kids into readers. Whether a loyal fan already or new to the Wimpy Kid books, this is the perfect book for young readers this Christmas. A global phenomenon!