- Gray Man: Camouflage for Crowds, Cities, and Civil Crisis
- Gray Man 2: Intermediate Skills and Tactics
- Situational Sense: Basic threat Detection Using Situational Awareness and Common Sense
- Conversational Camouflage: Oratory Discretion and Pretexting for Behavioral Concealment
- Appear to Vanish: Stealth Concepts for Effective Camouflage and Concealment










