Recommended Reading

Strategy & Mindset

1. The Art of War by Sun Tzu
2. The Book of Five Rings by Miyamoto Musashi
3. Warfighting MCDP 1 by United States Marine Corps

Survival Skills

1. The SAS Survival Handbook by John “Lofty” Wiseman
2. Camping and Survival by Paul Tawrell
3. Survival Evasion Resistance Escape (SERE) Operations by US Air Force
4. Hatchet by Gary Paulsen

Tracking

1. Tactical Tracking Operations by David Scott-Donelan
2. Scouting and Patrolling MCTP 3-01A by United States Marine Corps
3. Tracking Humans by David Diaz
4. Anti-Tracking by David Diaz

Mountaineering & Climbing

1. Mountaineering: The Freedom of the Hills by The Mountaineers

Combat Skills

1. Scouting and Patrolling MCTP 3-01A by United States Marine Corps
2. Marine Rifle Squad MCWP3-11.4iby United States Marine Corps

Human Behavior & Profiling

1. Left of Bang by Patrick Van Horne, Jason A. Riley, et al. 
2. What Every Body is Saying by Joe Navarro
3. Social Engineering: The Science of Human Hacking 2nd Edition by Christopher Hadnagy
4. Spy the Lie by Philip Houston, Michael Floyd, et al.
5. Never Split the Difference: Negotiating As If Your Life Depended On It by Chris Voss

Medical

1. Tintinalli’s Emergency Medicine Manual, Eighth Edition