Diary of the Wimpy Kid: The Ugly Truth (Book 5)- By Jeff Kinney
Greg Heffley has always been in a hurry to grow up. But is getting older really all it's cracked up to be? Suddenly Greg is dealing with the pressures of boy-girl parties, increased responsibilities, and even the awkward changes that come with getting older. And after a fight with his best friend Rowley, it looks like Greg is going to have to face the "ugly truth" all by himself.