A Time to Rend — Jeanette Raleigh

With Aunt Bertha dead and Mindy gone, the Gray family is broken. While cleaning her aunt's room, Raven discovers a letter from her father, written AFTER the battle that killed him! Unfortunately, the serial killer they accidentally released is also alive and on the hunt. While Raven and Mindy battle dark forces to save their dad, Jade and Claire are caught at the school with a terrifying enemy. Will they make it out alive?