==Bibliography==*"Zodiac: The Full Story of the Infamous Unsolved Zodiac Murders in California" (February 1, 1986)*"The Sleeping Lady: The Trailside Murders Above the Golden Gate" (April 15, 1990)*"The Murder of Bob Crane: Who Killed the Star of Hogan's Heroes?
* "Zodiac Unmasked: the Identity of America's Most Elusive Serial Killer"* "Unabomber: a Desire to Kill"* "The Sleeping Lady: The Trailside Murders Above the Golden Gate"* "The Murder of Bob Crane: Who Killed the Star of Hogan's Heroes?