Mark Greaney, New York Times Bestselling Author, Sierra Six

On today’s 46th Episode of The Thriller Zone, I’m stoked to welcome a super-star writer, a super-nice and down-to-earth guy who happens to be a #1 New York Times Bestselling Author.¬†Mark Greaney is a prolific author I’ve followed for years, and you’ll soon see why. Today, we will discuss his latest thriller surrounding the ever-popular…

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