[en] Training for Sudden Violence YMAA Publication Center

[en] Desert Kingdoms to Global Powers Yale University Press

[en] Meditations on Violence · A Comparison of Martial Arts Training & Real World Violence · A Comparison of Martial Arts Training and Real World Violence Tradeselect

[en] Meditations on Violence · A Comparison of Martial Arts Training & Real World Violence YMAA Publication Center

[en] Facing Violence · Preparing for the Unexpected YMAA Publication Center

[en] Scaling Force YMAA Publication Center

[en] Violence · A Writer's Guide

[en] Force Decisions · A Citizen's Guide YMAA Publication Center

[en] ConCom · Conflict Communication A New Paradigm in Conscious Communication

[en] Free to Fall HarperTeen

[de] [Eden Academy 01] • Du kannst dich nicht verstecken Ravensburger Verlag

[en] Under a Storm-Swept Sky Entangled Publishing, LLC (Embrace)