Scepter of the Ancients

Stephanie led a pretty quiet existence until her uncle died. Not only did he leave her his mansion, he left her a new best friend-Skulduggery Pleasant, a skeleton detective (sorry, a supernatural skeleton detective)-who waltzes into her life for keeps. Now she’s acquiring magical powers, endangering her life to fight evil, and trading snappy comebacks with something without a body.
So much for her quiet existence.
Stephanie’s big job is to find the Scepter of the Ancients-a weapon capable of destroying anyone and anything-before the evil Faceless Ones steal it for themselves. She just has to defeat a bunch of ghouls, kick the butts of a clan of vampires, and hide her powers from the entire world (oh, and her parents).
No worries. She’s got a bunch of bones on her side.