Ace Book A-25; apparently published in the mid to lat 1960s. Spine curved, edgewear/scuffing. Text is complete and unabridged.
"The most feared warrior in England: at 17 - the greatest swordsman in England; at 18 - a price on his head; at 19 - the leader of a band of a thousand. Who was this Norman of Torn? Where did he come from? All that anyone knew was that his blade was sharp, his arm strong. Then - as he was about to uncover the secret of his birth - he found himself in the greatest peril he'd ever known."; 12mo - over 6¾" - 7¾" tall