Martinez, best-selling author, leading course at Live Oak library.
Retired Sergeant Major Harry R. Martinez, who wrote the best-selling ‘One Is a Warrior,’ will be presenting a leadership seminar at the Live Oak branch of the Suwannee River Regional Library system on Aug. 7. (COURTESY)
Leadership is easy to discuss in theory. It is far more difficult when lives depend on your split-second decisions.
Retired Sergeant Major Harry R. Martinez, best-selling author of “One Is a Warrior,” …
