Karin Tabke 
Redemption [EPUB ebook] 

A bad boy cop bargains his way out of helland back into his ex-fiance’s heartin Redemption, a novella from international bestselling author Karin Tabke.After a fatal car crash, bad boy cop Zach Garret’s descent into hell is interrupted by an unusual deal for redemption. All Zach has to do is return to earth as a warrior sworn to defend his ex-fiance Danica Keller, the unknowing keeper of a power coveted by the forces of darkness. But even harder than keeping Danica alive that long is convincing her to give a second chance to the man who once betrayed her.