The Scarlet Pimpernel, written by Baroness Orczy, is a thrilling historical romance novel set during the French Revolution. It follows the daring adventures of Sir Percy Blakeney, a seemingly foppish English aristocrat who secretly rescues French nobles from the guillotine. Amidst the danger and intrigue, Sir Percy's relationship with his intelligent and courageous wife, Marguerite, adds a captivating romantic element to the story.