"Mejor no preguntarle a Greg Heffley qué tal la pasó durante las vacaciones de verano, porque no quiere ni oír hablar del asunto. De hencho, al empezar el nuevo curso Greg está deseando olvidar los últimos tres meses de su vida, en particular cierto acontecimiento..."-- Greg Heffley tells about his summer vacation and his attempts to steer clear of trouble when he returns to middle school and tries to keep his older brother Rodrick from telling everyone about Greg's most humiliating experience of the summer. Page 4 of cover.

T́itulo original: Diray of a wimpy kid, Rodrick rules.