The #1 New York Times Bestseller
The #1 Young Adult Debut of 2016
A Buzzfeed Best YA of 2016

.."simultaneously heart pounding and heart wrenching." -- Julie Murphy, #1 New York Times bestselling author of DUMPLIN'

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...