Books in the Other World series

Too late to save her sister's life, Stephanie Anders must now try to save her soul from the vampire who has possessed her, Branwyre, eighteenth vampire Lord of the Aegean. With only the aid of the ghost of a pissed-off Buddhist monk with a potty mouth and the modern day Priestess of Isis, Stephanie must take on demons and other denizens of a world she knows nothing about if she is to succeed in banishing Branwyre. But even more difficult than that, she must learn how to forgive her sister Estella for what she did to her if she is to have even half a chance of saving her soul. Welcome to a world within our own - the Other World.

Stephanie Anders is facing her hardest task yet: saving the soul of an enemy.To do this she must make deals with demons, argue with reapers, and sneak into hell. It's the getting back out again safely that might be a bit tricky.