WarriorWolf - CopperPack

A book about a girl named Sabrina who finds strange stuff going on in her neighborhood. It happens to be around the same time her best friend, Mark, leaves on the last day of school to go to his hometown and dad. Unfortunately for Sabrina, Mark hasn't kept his word, and they make no contact for days. Find what will happen to Sabrina, the mysterious on goings, and Marks disappearance.