A hilarious exploration of grumpiness: this is a book for any child who has ever woken up to find everything unreasonably annoying. Today is a terrible day for Wolfie: it's cloudy (there is a single cloud), the water in the bubble bath is ice cold, there aren't enough chocolate chips in the cookies and everyone else is having a nice day (lucky them). No one understands Wolfie at school. But then Penguin comes along.....