The Third Wheel: Diary of a Wimpy Kid (BK7) by Jeff Kinney is a hilarious novel in the popular children’s book series. Published in 2012 by Amulet Books, this paperback book has 224 pages and measures 197mm in height and 131mm in width. The story follows Greg Heffley as he navigates the ups and downs of middle school while trying to find a date for the school dance. With Kinney’s signature humor and relatable characters, The Third Wheel is sure to be a hit with young readers.