The new comic novel by bestselling author Jeff Kinney: Get ready for Rupert's Diary! Because it's time to hear his side of the story. Greg actually tasked his best friend with writing his "biography" - after all, he will one day be rich and famous. But it quickly becomes clear that Rupert is not the best choice for the job. Instead of writing Greg's life story, Rupert keeps getting sidetracked and much prefers to talk about his own life. Does Greg find that as funny?.