The Diary of a Wimpy Kid Series started off in a blog format on the internet site www.Funbrain.com in 2004 by Jeff Kinney. The first book came out in 2007 titled, Diary of a Wimpy Kid. From there, all books start off Diary of a Wimpy Kid followed by: Roderick Rules,The Last Straw, Dog Days, The Ugly Truth, Cabin Fever and Love is in the Air (due out November 2012). There is also a Do it Yourself book and the Wimpy Kid Movie Diary. The recommended reading level is 7 and up.