Georgette Heyer 
Simon the Coldheart [EPUB ebook] 

A valiant orphan rises to knighthood—and finds love with an enemy—in this historical romance of chivalry and adventure during the Hundred Years’ War.At the dawn of the fifteenth century, England is locked in a bitter war with France. Simon, the illegitimate son of Geoffrey of Malvallet, finds a home in the service of the Earl of Montlice. Distinguishing himself on the field of battle, Simon rises through the ranks until he becomes a friend to the Prince of Wales himself. But Simon’s true test will come when he is sent to overtake the French territory of Belremy. Though Simon conquers the city, the castle proves difficult to penetrate. Coming face-to-face with the beautiful and defiant Lady Margaret, Simon sees in this bold enemy a spirit to match his own. But can he convince this woman of his love when she would sooner die than surrender?