204 books • 56 series
Book #9: Passchendaele 1917
Book #31: Greek Hoplite vs Persian Warrior
Book #12: Defending the Skies
Book #12: Defending Our Nation
Book #12: Defending the Ground
Book #12: Defending the Seas
Book #94: Walker Bulldog vs T-54
Book #12: Survival at Sea
Book #12: Surviving the World's Extreme Regions
Book #12: Survival in the Wilderness
Book #12: Surviving Captivity
Book #12: Surviving Hostage Rescue Missions
Book #1: Fighting Techniques of the Ancient World (3000 B.C. to 500 A.D.)