Mark Greaney has a degree in international relations and political science. In his research for the Gray Man novels, including Mission Critical, Agent in Place, Gunmetal Gray, Back Blast, Dead Eye, Ballistic, On 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 the New York Times bestsellers Tom Clancy Support and Defend, Tom Clancy Full Force and Effect, Tom Clancy Commander in Chief, and Tom Clancy True Faith and Allegiance. With Tom Clancy, he coauthored Locked On, Threat Vector, and Command Authority.
"I LOVE THE GRAY MAN."--#1 New York Times bestselling author Lee Child "BOURNE FOR THE NEW MILLENNIUM."--New York Times bestselling author James Rollins "Writing as smooth as stainless steel and a hero as mean as razor wire...The Gray Man glitters like a blade in an alley."--New York Times bestselling author David Stone "A high-octane thriller that doesn't pause for more than a second for all of its 464 pages...For readers looking for a thriller where the action comes fast and furious, this is the ticket."--Chicago Sun-Times "Take fictional spy Jason Bourne, pump him up with Red Bull and meth, shake vigorously--and you've got the recipe for Court Gentry."--The Memphis Commercial Appeal "From the opening pages, the bullets fly and the bodies pile up. Through the carnage, Gentry remains an intriguing protagonist with his own moral code."--Booklist