Fiery Shapes: Celestial Portents and Astrology in Ireland and Wales, 700-1700The presentation of the magical and mantic in Celtic literature has persistently been dogged by misunderstanding and over romanticized readings. Among the misconceptions about the ancient and medieval Celtic peoples, the notion of a specifically 'Celtic' astrology remains widespread in the popular mind. This study aims to counter such myth making, and to demonstrate how a number Irish and Welsh literary writers in the medieval and Early Modern period