The sixth book in Kristen Callihan's dark, atmospheric series set in Victorian London will appeal to fans of New York Times bestselling authors Amanda Quick, Gail Carriger, and Hannah Howell.

Once two souls are joined . . .
When Adam's soul mate rejected him, there was more at stake than his heart. After seven hundred years of searching, his true match would have ended the curse that keeps his spirit in chains. But beautiful, stubborn Eliza May fled-and now Adam is doomed to an eternity of anguish, his only hope for salvation gone . . .

Their hearts will beat together forever
No matter how devilishly irresistible Adam was, Eliza couldn't stand the thought of relinquishing her freedom forever. So she escaped. But she soon discovers she is being hunted-by someone far more dangerous. The only man who can help is the one man she vowed never to see again. Now Adam's kindness is an unexpected refuge, and Eliza finds that some vows are made to be broken . . .