Mark Greaney

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Photo of Mark Greaney

Photo: © Carrie Echols

About the Author

Mark Greaney has a degree in international relations and political science. In his research for the Gray Man novels, including Back BlastDead EyeBallisticOn Target, and The Gray Man, he traveled to more than fifteen countries and trained alongside military and law enforcement in the use of firearms, battlefield medicine, and close-range combative tactics. He is also the author of Tom Clancy: Full Force and Effect and Tom Clancy: Support and Defend. With Tom Clancy, he coauthored Locked OnThreat Vector, and Command Authority.

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