Bookish Arabella Bromley never gave a fig for society's rules——until her sister ran off with a man below her station. Now Arabella is desperate to restore her family's ruined reputation to favor amongst the ton . She'll have to marry quickly and well. But in order to carry off her plan, Arabella needs a duke … and she has just the rakish fellow in mind. The Duke of Whittsley has an ungentlemanly tendency to disregard the rules. Unfortunately, a sense of mischief doesn't excuse a high-ranking noble from family duty—especially where it concerns producing a son. And that's where he can't quite resist Arabella's distinctly outrageous plan: if he saves her family, she'll give him an heir. Now the deal's been struck. They have one year to achieve their goals and ten iron-clad rules to keep them on track. Like long, scorching kisses and ensuring they're both exquisitely satisfied . And the only thing that could ruin their plan is the one thing they never planned on: love . Contains mature themes.