Dark Psychology: Body Language and Manipulation Techniques Everyone Should Know about by Christian Olsen, Norton Ravin, Vance Munson 5 h 29 min
Dark Psychology: Toxic Relationships, Hypnosis, Manipulation, and Persuasion Tips by Norton Ravin 4 h 0 min
The Dark Psychology: Manipulation and Persuasion Techniques for Savvy and Intelligent Humans by Norton Ravin 5 h 4 min
