To Claim His Heir by Christmas (Harlequin Presents)

From heaven to hell… 

Five years ago, Princess Luciana of Arunthia experienced heaven in the arms of a man whose every touch felt like paradise. But when Thane's true identity as the prince of Galancia was revealed, Luciana had no choice but to flee. Her lover was her kingdom's greatest enemy, and she was expecting his baby! 

…and back again? 

Now, as Christmas approaches, the prince has just one thing on his mind—winning Luciana back. And if Thane can convince her to trust him with her secret, he could get the greatest Christmas gift of all—a beautiful queen and an heir!