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Warning Signs: Identifying School Shooters Before They Strike
$24.53 - $32.86 -
Advantage Media Group
The First Preventers Playbook: How To Intervene, Disrupt, And Prevent Tragedy Before It Strikes
$11.63 - $25.89 -
Melville House Publishing
How We Win: A Guide to Nonviolent Direct Action Campaigning (Activist Citizens' Library)
$13.22 - $25.27 -