The Marquess and I by Stacy Reid

Lady Willow Arlington, hauntingly lovely, is also blind and known by the ton as the dowry-less daughter. Alasdair Morley, the Marquess of Westcliffe, is in need of an heiress, but Lady Willow should be the last person he craves after she was persuaded to reject his offer of marriage when he was a mere third son. Passion reignites between them, and he makes an enticing offer she cannot resist, drawing them into a dance of lust and love despite the misgivings in his heart.