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Lt Col Dave Grossman

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If Sleep Were A Drug: The Science of Sleep Optimization: Biohack Your Brain, Body, and Performance
On Spiritual Warfare 22 Warning Orders for Virtuous Warriors
On Hunting A Definitive Study of the Mind, Body, and Ecology of the Hunter in the Modern World
Bulletproof Family: A 90-Day Devotional – Daily devotions to help military, law enforcement, and first responder families grow closer and stronger together