Alpha's Promise

To hell and back . . . Though he has vampire, demon, and Viking blood rushing through his veins, Ivar Kjeidsen’s soul-crushing trip to hell broke him in ways he can barely fathom.  One vow keeps the deadly immortal standing: To rescue the vampire brother who had sacrificed freedom for him.  To do that, Ivar needs the help of a brilliant physicist with wary brown eyes, fierce brilliance, and skin that's way too soft. Dr. Promise Williams understands the underpinnings of the un