Flowkwee is on a mission - he has to disguise himself as a schoolboy and spy on young earthlings, in order to help his father with his research.
Here are his letters to his best friend, in which he tells him all about his adventures. He describes the strange earthlings who have only one head, two peepers, and no aerials, lights, whirlers or even winkers! He has to wear things called clothes because the earthlings can't be bothered to grow fur. And he discovers the fool-proof way to catch earthlings is to tell them to follow a sign saying `Free ice cream!'