John Reviews Mark Greaney

Although Tom Clancy died more than a year ago, the Jack Ryan series lives on with Mark Greaney. Tom Clancy novels written by Mark Greaney include Locked On, Threat Vector, Command Authority, Support and Defend, and Full Force and Effect.

Mark has a degree in International Relations and Political Science. In his research for The Gray Man novels he has traveled to more than fifteen countries, visited the Pentagon and many Washington, D.C. Intelligence agencies, and trained alongside military and law enforcement in the use of firearms, battlefield medicine, and close-range combative tactics.

Mark lives in Memphis, Tennessee.