Claiming His Secret Son (The Billionaires of Blackcastle 4)

Richard Graves has long battled his dark heritage, and only one woman nearly shattered his elegant facade. Though he seduced Isabella Sandoval to take revenge on the man who'd destroyed his family, walking away from her was the hardest thing he's done. Now he's learned the truth about her son, and he won't walk away again.

Richard's mission of vengeance nearly cost Isabella her life. But she can't resist rekindling their dangerous passion. Can she protect her child from the man sworn to claim him--and herself from the desire she can no longer fight?