The old African people had very interesting stories about animals. They told stories to their children to answer some of the weird facts about animals. This is a version of the old African myth why hyenas laugh. Hyena was lazy and very jealous of Lion, King of all the animals. Hyena tricked Lion and he tought it was very funny. Until today Hyena is still laughing... The ebook also have some true facts about hyenas at the end of the story.