Hello, Monster! - Clementine Beauvais

You probably know the feeling. You're playing happily by yourself in the park, when you're suddenly told, `Go and say hello to that little boy over there!' But what if you don't want to say hello? What if the little boy isn't really a little boy at all? What... what if he's a MONSTER in disguise? Welcome to a weird and wonderful `what if?' story where saying hello can lead to all sorts of surprising adventures...