Mark Greaney has a degree in international relations and political science. In his research for the Gray Man novels, including 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.

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Title: The Chaos Agent (Gray Man Series #13), Author: Mark Greaney
#13 in Series
Hardcover $27.00 $30.00 Current price is $27.00, Original price is $30.00.
Title: Sentinel, Author: Mark Greaney Pre-Order Now
#2 in Series
Hardcover $21.00 $30.00 Current price is $21.00, Original price is $30.00.
Title: Burner (Gray Man Series #12), Author: Mark Greaney
Title: Ballistic (Gray Man Series #3), Author: Mark Greaney
#3 in Series
Paperback $14.99 $19.00 Current price is $14.99, Original price is $19.00.
Title: On Target (Gray Man Series #2), Author: Mark Greaney
#2 in Series
Paperback $16.99 $19.00 Current price is $16.99, Original price is $19.00.
Title: Dead Eye (Gray Man Series #4), Author: Mark Greaney
#4 in Series
Paperback $16.49 $18.00 Current price is $16.49, Original price is $18.00.
Title: Gunmetal Gray (Gray Man Series #6), Author: Mark Greaney
#6 in Series
Paperback $15.49 $17.00 Current price is $15.49, Original price is $17.00.
Title: Back Blast (Gray Man Series #5), Author: Mark Greaney
Title: Mission Critical (Gray Man Series #8), Author: Mark Greaney
#8 in Series
Paperback $14.99 $17.00 Current price is $14.99, Original price is $17.00.
Title: The Gray Man (Netflix Movie Tie-In), Author: Mark Greaney
Title: One Minute Out (Gray Man Series #9), Author: Mark Greaney
#9 in Series
Paperback $14.99 $18.00 Current price is $14.99, Original price is $18.00.
Title: Relentless (Gray Man Series #10), Author: Mark Greaney
#10 in Series
Paperback $15.99 $18.00 Current price is $15.99, Original price is $18.00.
Title: Command Authority, Author: Tom Clancy
Title: Agent in Place (Gray Man Series #7), Author: Mark Greaney
#7 in Series
Paperback $15.49 $17.00 Current price is $15.49, Original price is $17.00.
Title: Sierra Six (Gray Man Series #11), Author: Mark Greaney
Title: Midnight Black, Author: Mark Greaney Pre-Order Now
Title: Red Metal, Author: Mark Greaney
Title: Armored, Author: Mark Greaney
Title: Threat Vector, Author: Tom Clancy
Title: Locked On, Author: Tom Clancy

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