The third laugh-out-loud book in the bestselling phenomenon that is the Diary of a Wimpy Kid series. Greg`s dad, Frank, is on a mission - a mission to make this wimpy kid . . . well, less wimpy. All manner of `manly` physical activities are planned, but Greg just about manages to find a way out of them. That is until military academy is is mentioned and Greg realizes that he`s going to have to come up with something very special to get out of this one . . .