In the second half of the fifteenth century, for over thirty years, civil war tore England apart. However, its roots were deeper and its thorns were felt for longer than this time frame suggests. The Wars of the Roses were not a coherent period of continual warfare. There were distinct episodes of conflict, interspersed with long periods of peace. But the struggles never really ceased. Motives changed, fortunes waxed and waned, the nature of kingship...