- EbookStreet Survival GuideRory Christensen
- EbookDrills For Self DefenseRory Christensen
- EbookMind Training For Martial ArtistsRory Christensen
- EbookGuia de Sobrevivência nas RuasRory Christensen
- EbookTreinamento Mental Para Artes MarciaisRory Christensen
- EbookGuía de Supervivencia CallejeraRory Christensen