An alien, who finds his extraterrestrial name so unpronounceable that he prefers to be called Klaus by humans, arrives on planet Earth during his interstellar travels. There, as he follows a strictly plant-based diet, he is quite astonished by human eating habits. Being very intelligent, he has much to share and enlightens others. In over 30 illustrations and verses, the outsider perspective of an extraterrestrial protagonist helps children to critically question human "norms," such as viewing animals as food.