The Mafia at Apalachin, 1957

The Ku Klux Klan in Mississippi: A History

The Texarkana Moonlight Murders: The Unsolved Case of the 1946 Phantom Killer

The FBI Encyclopedia

Famous Assassinations in World History: An Encyclopedia [2 volumes]

Famous Assassinations in World History: An Encyclopedia [2 volumes]

The Ku Klux Klan: History, Organization, Language, Influence and Activities of America's Most Notorious Secret Society

Unsolved Civil Rights Murder Cases, 1934-1970

Mr. Mob: The Life and Crimes of Moe Dalitz

White Robes and Burning Crosses: A History of the Ku Klux Klan from 1866

The National States Rights Party: A History

Encyclopedia of Cryptozoology: A Global Guide to Hidden Animals and Their Pursuers

Age of Assassins: A History of Conspiracy and Political Violence, 1865-1981

Silent Rage: Inside the Mind of a Serial Killer

Boss of Murder, Inc.: The Criminal Life of Albert Anastasia

Writing Thrillers: The Writer's Guide to Crafting Tales of Suspense

Blood Trails