NY Times bestselling author, K.N. Lee presents book one of the critically acclaimed urban-fantasy series critics and fans are calling Lucifer meets The Vampire Diaries.

In a world where vampires and fallen angels have devised a peace treaty, humans either live their lives oblivious to the supernatural creatures living amongst them, or actively take part by selling their blood. The Vampire Registration System has kept everyone from killing one another…until now.

Koa, a half-blood vampire works for the organization that enforces the peace treaty. She can fly, has an enchanted sword, and a mother cursed to live as a cat. When a dangerous demon arises and seeks to plunge the humans into darkness and evil, even Koa and her boss can’t stop him. There are rumors of a prophet prince who can help, they just have to travel to an alternate universe to break him out of a supernatural prison.

Prepare for an epic paranormal adventure full of vampires, angels, shifters, and magic that grips you from the start and doesn’t let go.