Diary of a Wimpy Kid by Jeff Kinney: Books 1-4. Jeff Kinney's Diary of A Wimpy Kid started as excerpts on www.funbrain.com, an education website for Kids K-8th grade. Soon it caught on! There was a major motion picture made and the excerpts featured on the website became books. If your child has not read these books yet, they probably want to. Win a copy of each of the first four books: A Novel in Cartoons, Rodrick Rules, The Last Straw and Dog Days.