True Faith and Allegiance

ABOUT THE AUTHOR

Mark Greaney has a degree in international relations and political science. He is the author of Commander in Chief and Full Force and Effect, and with Tom Clancy he coauthored Locked On, Threat Vector, and Command Authority. He has written five books in his own Gray Man series: The Gray Man, On Target, Ballistic, Dead Eye, and Back Blast. In his research for these novels, he traveled to fifteen countries, and trained alongside military and law enforcement in the use of firearms, battlefield medicine, and close-range combat tactics.

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