Heath, Lorraine. Chessmen: masters of seduction.

A scandalous book by an anonymous author takes London by storm, and everyone is convinced its villainous "Lord K" is the greatly admired Earl of Knightly. Heartbroken that he left her at the altar, Miss Regina Leyland impulsively sought revenge by revealing the true Knightly to the world but never expected the uproar to bring enemies to her door. To keep her identity hidden, she must trust the one man with the power to destroy her. Furious to be the object of notoriety and gossip, Knightly confronts the lady he suspects of penning the tome only to discover she is no longer the naive innocent he was forced to betray, but a woman of strength and conviction, who will bow before no man. Knightly and Regina pretend a reconciliation to salvage their reputations and throw the ton off their scent. But false friendship soon turns to powerful passion. When truths emerge, threatening all they hold dear, they must face the consequences of their past if their story is ever to deserve its happily ever after