John Gacy

Ted Bundy                                        

Independently published

Il Labirinto di Gacy: Analisi Criminologica, Psicologica e Sociale del “Killer Clown”

Il cacciatore di donne                          

The Unmasking of John Wayne Gacy (English Edition)

JOHN WAYNE GACY: The Killer Clown:"How a Beloved Entertainer Became America's Deadliest Killer” (English Edition)

The Face of Evil John Wayne Gacy: An In-Depth Look at the Life and Crimes of America’s Most Notorious Serial Killer (English Edition)

John Wayne Gacy A.K.A El Payaso Asesino (Spanish Edition)

John Wayne Gacy A.K.A The Killer Clown (English Edition)

Black Lyon Publishing, LLC

Killing Time with John Wayne Gacy: Defending America's Most Evil Serial Killer on Death Row (English Edition)

Skyhorse

John Wayne Gacy: Defending a Monster (English Edition)