Brick dust and bones

Marius Grey hunts monsters. He's not supposed to. He's only twelve and his job as a cemetery boy is to look after the ghosts in his family's graveyard. He should be tending these ghosts and--of course--going to school to learn how to live between worlds without getting into trouble. But, Marius has an expensive goal. He wants to bring his mother back from the dead, and that takes a LOT of mystic coins.