Diary of a Wimpy Kid: Cabin Fever is a 2011 bestselling and award winning children's book and the sixth book in the Diary of a Wimpy Kid series, written by American author Jeff Kinney. The book was released on November 15, 2011 and was the fastest selling book of 2011, giving him the third strongest opening week sales for a children's author. Cabin Fever had a first printing run of six million copies, which Amulet Books stated was one of their most significant titles for that year.