[Diary of a wimpy kid : dog days Diary of a Wimpy Kid 3: Dog Days Diary of a wimpy kid．4，dog days Diary of a wimpy kid．Dog days Diary of a wimpy kid : double down Diary of a wimpy kid：the long haul Diary of a Wimpy Kid．Dog Days Diary of a wimpy kid : the long haul Diary of a wimpy kid :: double down / Diary of a wimpy kid : hard luck