Written by William Cook   Reviewed by Char Hardin     May I introduce the Cunningham Family: father who is a suspected  serial killer who dies by his own hand who is married to an insane  alcoholic combined they beget two sons who follow in their father’s  footsteps Caleb and Charlie inherited more than dysfunctional family  traits they inherited a blood soaked heritage that caused the boys to  rain down a legacy of terror and death.     The beginning of the story is a preface by the psychiatrist Dr. Mary  Brunswick who tells how she worked with Charlie during his trial and  then after he was sentenced how his brother Caleb approached her with  his own tales of murder. The trust between doctor and patient was built  on the confidentiality clause that she could not break. He was free with  his accounts and then disappeared. Just reading the preface was a  strong indication of the content of the pages to come. I consumed this  story in one sitting. One word to describe what William...