Jim Pancé tiene un ataque de gruñonitis y sus amigos no lo entienden: ¿cómo puede estar enfurruñado si hace TAAAAAN buen día? Las cebras lo invitan a dar vueltas con ellas, los pájaros a cantar y los monos a columpiarse, pero Jim no puede seguir tantos consejos... y se pone más gruñón. ¿No será que, de vez en cuando, todos necesitamos ser un poco gruñones? Jim the chimpanzee is in a terrible mood for no good reason. His friends can't understand it —how can he be in a bad mood when it's SUCH a beautiful day? They have lots of suggestions for how to make him feel better. But Jim can't take all the advice...and has a BIT of a meltdown. Could it be that he just needs a day to feel grumpy? Suzanne and Max Lang bring hilarity and levity to this very important lesson on emotional literacy, demonstrating to kids that they are allowed to feel their feelings.