On this edition of Conversations, Mark Greaney talks about "The Hard Line," his 15th novel to feature the Gray Man, Court Gentry, Mark Greaney has a degree in international relations and political science. In his research for his best-selling “Gray Man” novels, he has traveled to more than thirty countries and received firsthand experience in firearms training, scuba diving, stunt driving, navy fighter plane flying, field medical training, and much more.
"The Hard Line - A Gray Man Novel"
