Diary of a Wimpy Kid: The Third Wheel (the seventh book) is a work from Jeff Kinney's popular series that narrates the everyday life of Greg Heffley. In this installment, Greg tries to prepare for the school dance, but things don't go as he plans. His plans fall apart when he finds himself the "third wheel" in his friend's relationship with his partner. The book is filled with humor and comic situations, providing great enjoyment for the reader.