His Pregnant Christmas Bride (The Billionaires of Blackcastle 6)

Russian billionaire Ivan Konstantinov spent decades struggling with the treachery that almost destroyed him. But when Anastasia Shepherd, the only woman he's ever loved, suffers a near-fatal injury, he risks everything—even exposure to his betrayers—to save her.  

He intends only to heal her then walk away again, but their explosive passion can't be denied. Then she gives him the ultimate Christmas gift: she's expecting his child. Will the promise of a holiday wedding and a perfect future erase the scars of Ivan's past…or will darker secrets ruin all they hold dear?