Hunter (Mercedes Lackey)

Long ago, the barriers between our world and the Otherworld were ripped open, and it's taken centuries to bring back civilization in the wake of the catastrophe. Now, the luckiest Cits live in enclosed communities,behind walls that keep them safe from the hideous creatures fighting to break through. Others are not so lucky. To Joyeaux Charmand, who has been a Hunter in her tight-knit mountain community since she was a child, every Cit without magic...

"Joy must uncover a deadly conspiracy at the heart of Apex City--and lead her fellow Hunters to victory in the final confrontation with the dangerous Othersiders"--