The Scoundrel and the Debutante (the Cabot Sisters, Book 3)

A debutante ready for trouble! Miss Prudence Cabot is now regarded as an unsuitable bride for a gentleman; thanks to her sisters, she's tainted by scandal. Yet this unwilling wallflower is ripe for adventure. And when an irresistibly sexy American stranger enlists her help, she simply can't deny the temptation.