On 4 May 1471 the forces of Lancaster under the Duke of Somerset and those of York under Edward IV clashed at Tewkesbury in Gloucestershire in one of the decisive battles of the Wars of the Roses. Edward's overwhelming victory secured for him the throne of England and led to the near ruin of the Lancastrian cause. Steve Goodchild's gripping account of the fighting, and of the politics and intrigue that led to it, is the first to take fully into account the landscape of the West Country over which the opposing armies marched and the terrain on which they fought.