Walk with Me Through Time — Jennifer Conner

An enchanting time-travel romance for fans of Jude Deveraux and Diana Gabaldon.

Hadley Easton has a family legacy to uphold as a Time-Keeper. He guides people forward -or back- who feel they were born into the wrong time.
Samantha turns his world upside down when she arrives through the front door of the London bookstore. No one arrives through the front door: it's the time portal. On top of that, she informs him she's from the year 2012, over a hundred years in the future.

When Hadley learns the truth, he realizes his time is running out...