Il ritorno di Billiken

Every ninety years, the Cursed Court, composed of monstrous beings from the realm of Faerie, tries to invade Earth; Previous invasion attempts have always been foiled by the spread of the image of a benign goblin called Billiken. Nowadays, this threat looms again and the Detective of the Impossible is called to solve the problem of how to spread Billiken's image on a planetary scale again, and in a very short time.