Hack/Slash: My First Maniac

"16-year-old Cassie has just been forced to kill her mother, the undead murderer known as the Lunch Lady! Now faced with overwhelming guilt, she must decide if she can make a life with her foster parents and at her new school, or if she should use her new-found Slasher-killing skills to save other screaming teenagers! But does the apple fall far from the tree?"--Amazon.com.