A Dreadful Penance

November 1262 is an unlikely season for war. But war nonetheless is coming to the March, the wild borderland between England and Wales. Not the war that most fear between the supporters of the King and the rebellious barons uniting around Simon de Montfort, but with Llywelyn ap Gruffydd, the Welsh warlord who styles himself Prince of Wales and who has united the fractious tribes of his land against the English. The English are uncertain, however, where and when the blow will fall. So, Sir G...