From the 12th to 15th centuries the longbow was the weapon that changed European history more than any other. In the skilled hands of English and Welsh archers it revolutionized all the medieval concepts and traditions of war. No other weapon dominated the battlefield as it did, and it was the winning factor in every major battle from Morlaix in 1342 to Patay in 1429. Donald Featherstone's study of the English longbow from its early development...