Reference, Survival Stories, Gay & Lesbian, Bullying, Violence 

The #1 New York Times Bestseller!Everyone has a reason to fear the boy with the gun.10:00 a.m.The principal of Opportunity, Alabama's high school finishes her speech, welcoming the entire student body to a new semester and encouraging them to excel and achieve.10:02 a.m.The students get up to leave the auditorium for their next class. 10:03The auditorium doors won't open.10:05Someone starts shooting.Told from four perspectives over the span of 54 harrowing minutes, terror reigns as one student's calculated revenge turns into the ultimate game of survival. A Buzzfeed Best YA of 2016 #1 Young Adult Debut of 2016 A Publishers Weekly Bestseller Winter '15 Kids Indie Next ListGoodreads YA Best Books of the MonthBuzzfeed 5 YA Books You Should Be Reading This January Bustle.com 18 of 2016's Most-Anticipated YA NovelsBookRiot 15 Books out in 2016 You Should Mark Down NowA Goodreads Choice Award Finalist for Young Adult Fiction - from Amzon