The Duke's Mistress by Ann Elizabeth Cree
Hell Hath No Fury Like a Scorned Duke.
Lady Isabelle Milborne would pay in hell for her treacheryeven if he went there with her! Three years ago, Belle had participated in her late husband's wager, which had ruined Justin, the Duke of Westmore. And now the duke would stop at nothing to see justice served
But the stricken expression on Belle's face when Justin made his ruthless proposition struck at his conscience. And all too soon the dark-haired beauty awakened feelings in him that he'd thought long dead. Now Justin wondered if he could ever be content with just having Belle as his mistress for the Season
or if he'd need her in his life forever!