Cinderella And The Duke (The Beauchamp Betrothals, Book 1) by Janice Preston
Falling for a duke in disguise!
Never welcomed into society circles, Rosalind Allen gave up her marriage prospects long ago-life has taught her she'll only get hurt. So she's shocked when an encounter with a mysterious stranger makes her long to reconsider...
Little does Rosalind know that her mystery man is Leo Beauchamp, Duke of Cheriton, travelling in disguise to evade the ladies of the ton! Impoverished Rosalind is the first woman to captivate Leo-but can he persuade this wary Cinderella to trust him with her heart?