Badass Survival Secrets: Essential Skills to Survive Any Crisis - free
https://www.amazon.com/dp/B00R3L77MI
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The Country Living Handbook: A Back-to-Basics Guide to Living Off the Land - free
https://www.amazon.com/dp/B00J75IQKK
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Knife Sharpening - $1.99
https://smile.amazon.com/dp/B00CFQJ79M