Darkest Knight: Thornton Brothers Time Travel Romance

A dark and stormy knight...No really. It was storming...and rather dark in the Tower.
An unexpected trip to London was supposed to be the perfect distraction from Anna's stress-filled life. Minding her own business, drooling over so many jewels, Anna Waters winds up hopelessly lost and finds herself locked in the infamous tower. Who knew an antique locket would lead her to a knight with a heart buried underneath thirty feet of stone?
Searching for a way out, she stumbles over an antique locke...