Deliver Us from Evil — Amy C. Laundrie

Farmer Verne Schaffner's animal cruelty explodes into murderous revenge when Kayla reports him to the humane society against boyfriend Rob's advice to look the other way and mind her own business. Kayla's world falls apart when Rob begins dating another, more sophisticated girl. And Verne begins his vendetta of stalking her, sending mind-rending packages, and mutilating her pets. Kayla must somehow survive a broken heart and Schaffner's revenge.