Oskar Gundersen

Manipulation : Understanding Dark Psychology, Narcissism, and Personality Disorders

Taylor Hench, Victor Higgins, Derrick Halfson, Matt Belster

Serial Killers : How Ted Bundy, Jack the Ripper, and Other Murderers Became So Infamous

Matt Belster

Mental Illness : Understanding Some of the Most Common and Dangerous Personality Disorders

Victor Higgins, Jennifer Wartz, David Kelvins, Haynes, Heather Foreman, Lee Randalph, Sid Van Roy, Taylor Hench

Serial Killers : Looking into the Lives and Motives of 15 Notorious Psychopath Serial Killers

Matt Belster

Sociopath : Patients with Narcissist, Borderline and Bipolar Disorders

Taylor Hench, Victor Higgins, John Kirschen, Lucy Hilts, Matt Belster

Serial Killers : The Most Dangerous Psychos, Sociopaths, and Serial Killers in History

Victor Higgins, Matt Belster

Serial Killers : The Worst Serial Killers and Sociopaths from History

Victor Higgins, Matt Belster

Brain Conditions : Explanations and Depth of Personality Disorders, Learning Disabilities, and Psychopathology

Derrick Halfson, Lucy Hilts, David Kelvins, Dwayne Winstons, Gregory Haynes, Heather Foreman, Jennifer Wartz, John Kirschen, Lee Randalph, Matt Belster, Sid Van Roy, Taylor Hench, Victor Higgins, Zimbab Winston

Mental Illness : Psychosis, Neurosis, Sociopathy, and Psychological Disorders Explained

Victor Higgins, Jennifer Wartz, David Kelvins, Haynes, Heather Foreman, Lee Randalph, Sid Van Roy, Taylor Hench