Creatures of the Ice (Book #4, The Creatures Series) by Stella Purple
Approx. 43,370 words.
Published on March 28, 2013.
“Are you willing to become a demon?”
One pale hand answers that question with an acceptance. Thus begins yet another complicated struggle. Her assignments are to hunt down trespassing and unauthorized demons that comes to the human world and take them back to Hell, where The Devil resides. A thousand demons for both of her parents’ returns is the number of the deal.