Undead and Unreturnable by MaryJanice Davidson

Even the undead celebrate Christmas, and Betsy is in heaven shopping for gifts. But all is not merry in the mansion. It’s become infested with ghosts—really needy ones who have no qualms asking Betsy to run errands for them to rectify their pasts. Meanwhile, a serial killer is on the loose, and, being tall and blonde, Betsy perfectly fits his type. They say Christmas is a time for friends and family. But with a half-sister who’s the devil’s daughter, an evil stepmother, a friend living in her basement, and assorted spirits and killers running amok, Betsy is not sure she’ll survive the holidays. Oh, right. She’s already dead…