It's a good book.so much interesting storyline. Dog days is the fourth book in the bestseller series "diary of a wimpy kid ". This book starts with greg talking about being an indoor person.and how he wants to spend his summer inside home.playing video games,and doing all his favourite activities. Greg has to take the trip with his family .another major events in his life this summer is the addition of a new member in his family. A new dog.his father brought the dog. He takes care of the dog .he take him out in the morning .but the dog loves greg's mother.this book is all about greg's summer experience with his dog .and how he spend the summer vacation.