Sam Sheridan is the author of three books: The Fighter's Heart, The Fighter's Mind, and The Disaster Diaries. Recently, he wrote and produced a miniseries called I am the Night.

Sam traveled the world and trained martial arts. He interviewed the greatest minds in MMA about the mental game. And he worked with top survival experts in order to learn how to prepare for the end of the world. But Sam also spent years traveling the world working as a sailor. He was a firefighter who battled forest fires. And he worked on a research station in Antarctica. 

Read more about Sam here: https://www.rolliepeterkin.com/sam-sheridan-fighters-heart

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My book - The Cage: Escaping the American Dream http://amzn.to/1Y0xbzD