In book 9 – Diary of a Wimpy Kid 9 – The Long Haul PDF, The Heffley family has a promising vacation, but Greg and his family are constantly meeting troubles such as piggy is always insane biting into his hand, or another family always makes Heffley scared because Greg scolded their children, … At the end of the trip, mother claiming the rest of the trip will be like the book “Choosing your own adventure”. The vacation was awful, but it made Greg and his family unforgettable.