Skulduggery Pleasant - Derek Landy - Paperback

Skulduggery Pleasant, book 1 of 17, ongoing series

Stephanie's uncle Gordon is e writer of horror fiction. But when he dies and leaves her his estate, Stephanie learns that while he may have written horror it certainly wasn't fiction. 

Pursued by evil forces, Stephanie finds help from an unusual source, the wisecracking skeleton of a dead sorcerer.