FairiesHow dangerous were fairies? In the late seventeenth century, they could still scare people to death. Little wonder, as they were thought to be descended from fallen angels, and to have the power to destroy the world itself. Such beliefs, along with some remarkably detailed sightings, lingered on well into the twentieth century. In literature and art, fairies often retained this edge of danger. From the wild magic of A Midsummer Night's Dream, through