She's in 1813 England. He's in 1863 America.
Can Time-Crossed Lovers Reunite by Christmas
A Time Travel Romance
Guardians of the Stones, Book 3
Before Lord William Lowther leaves to seek his fortune in India, he and Lady Caroline Wyckham declare their love for one another and exchange miniature portraits, each encased in a pocket watch. Two years later, William disappears from his post, and Lady Caro's father insists she choose a husband from among her suitors or he will choose for her. Olde Gylda has sent William, her new Guardian, to the American Civil War to learn medicine from mentor Rick Duvall. Now Rick has gone home and Gylda can't "see" William. A rescue is in order and Caro accidentally tags along. Over a journey spanning two continents, several disguises and multiple time periods, will these time-crossed lovers be reunited and back home in time for Christmas?