"He's the Ghost of Christmas Past. She's not exactly Scrooge. Ghost of Christmas Past Nolan Callahan intends to spend this holiday haunting like every other-get in, get out, return to his otherwise aimless existence as a ghost awaiting the afterlife. But when he's faced with Harriet York, the sweetest assignment he's ever had, he suddenly finds himself wishing for a future. Harriet York has no idea why she's being haunted. She's a good person-or,...