Diary of a Wimpy Kid #4 Dog Days Jeff Kinney In international trade paperback, the latest installment of the international smash-hit DIARY OF A WIMPY KID! It's summer vacation, the weather's great, and all the kids are having fun outside. So where's Greg Heffley? Inside his house, playing video games. But Greg's mom has a different vision for an ideal summer. one packed with outdoor activities and "family togetherness." Whose vision will win out? Or will a new addition to the Heffley family change everything?