Now in paperback - the fourth mega-selling instalment in the hilarious Diary of a Wimpy Kid series!The way I like to spend my summer holidays is in front of the TV playing video games with the curtains closed and the light turned off.Unfortunately Mom-s idea of the perfect summer holiday is different from mine.Greg-s mom has a vision of family togetherness that really doesn-t sound a whole lot of fun.But there-s a brand-new addition to the Heffley family to contend with and it looks like Greg might be outnumbered. It could be a real dog of a summer . . .