The reviews are in! This Is Where It Ends, the #1 New York Times bestseller and one of the Best Books of the Decade (Buzzfeed, Paste Magazine, BookRiot), could break you. I am speechless. The saddest book I have ever read. Literally tore my heart out. Go inside a heartbreaking fictional school shooting, minute-by-terrifying-minute. Everyone has a reason to fear the boy with the gun...10:00 a.m.: The principal of Opportunity, Alabama's high school...