A New York TimesBestseller! 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. 10:03 The auditorium doors won’t open. 10:05 Someone 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. Winter ’15 Kids Indie Next List Goodreads YA Best Books of the Month Buzzfeed 5 YA Books You Should Be Reading This January Bustle.com 18 of 2016’s Most-Anticipated YA Novels BookRiot 15 Books out in 2016 You Should Mark Down Now