- E-bookScience of Takedowns, Throws, and Grappling for Self-DefenseMartina Sprague
- E-bookUnderstanding Carl von ClausewitzMartina Sprague
- E-bookFighting ScienceMartina Sprague
- E-bookKnife Grip and ManipulationMartina Sprague
- E-bookKnife Offense (Five Books in One)Martina Sprague
- E-bookKnife Defense DynamicsMartina Sprague
- E-bookJapanese SwordsMartina Sprague
- E-bookFighter's Body, Fighter's MindMartina Sprague
- E-bookKnife Carry and DeploymentMartina Sprague
- E-bookLongsword and SaberMartina Sprague
- E-bookKnife AnatomyMartina Sprague
- E-bookKnife Fighting Stance, Footwork, and Dynamics of MotionMartina Sprague
- E-bookKickboxingMartina Sprague
- E-bookKnife Defense BasicsMartina Sprague
- E-bookKickboxingMartina Sprague
- E-bookForce and Single Strike DamageMartina Sprague
- E-bookSickle Sword and Battle AxeMartina Sprague
- E-book6 Ways to Improve Performance and Correct Errors in the Martial ArtsMartina Sprague
- E-bookLeadershipMartina Sprague
- E-bookKnife Training and Advanced Martial Arts ConceptsMartina Sprague
- E-bookMachete, Kris, and Throwing IronMartina Sprague
- E-bookKukris and GurkhasMartina Sprague
- E-bookThe Power TripMartina Sprague
- E-bookKickboxingMartina Sprague
- E-bookPhysical PreparationMartina Sprague
- E-bookThe Financial Incentives of WarMartina Sprague
- E-book8 Ways to Benefit from Critique and Testing in the Martial ArtsMartina Sprague
- E-bookYatagan, Khanda, and JamdharMartina Sprague
- E-bookConfessions of a Published AuthorMartina Sprague
- E-bookKickboxingMartina Sprague
- E-bookSun Tzu's Art of WarMartina Sprague
- E-bookGladius and SpathaMartina Sprague
- E-bookLeading with Cheese, Fish, and CarrotsMartina Sprague
- E-bookManaging FailureMartina Sprague
- E-bookThe Forces of WarMartina Sprague
- E-book8 Ways to Be Professional and Ethical in the Martial ArtsMartina Sprague
- E-bookCold SteelMartina Sprague
- E-bookSerie: Volunteers to Fight Our WarsMartina Sprague
- E-bookSerie: KickboxingMartina Sprague
- E-bookSerie: The Power TripMartina Sprague
- E-bookPressing the AttackMartina Sprague
- E-bookForce EscalationMartina Sprague
- E-bookMusashi's Book of Five RingsMartina Sprague
- E-bookKickboxingMartina Sprague
- E-bookControlling the CounterattackMartina Sprague
- E-bookSerie: Formidable FighterMartina Sprague
- E-bookLeading with ScienceMartina Sprague
- E-bookWinning MattersMartina Sprague
- E-bookThe Bodyweight ChallengeMartina Sprague