En el último diario de centro-hijo de Greg Heffley, graba sus intentos de pasar sus vacaciones de verano en el interior con sensatez los juegos de video y ver la televisión, a pesar de otras ideas de su madre. In the latest diary of middle-schooler Greg Heffley, he records his attempts to spend his summer vacation sensibly indoors playing video games and watching television, despite his mother's other ideas.

Originally published in English under the title Diary of a Wimpy Kid, Dog Days.