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.
View titles by Mark Greaney
