Magic to the Bone

Using magic means it uses you back, and every spell exacts a price from its user. But some people get out of it by Offloading the cost of magic onto an innocent. Then it's Allison Beckstrom's job to identify the spell-caster. And when she finds a boy dying from a magical Offload that has her father's signature all over it, Allie is thrown into a world of black magic.