Extreme Killers: Tales of the World's Most Prolific Serial Killers

Mr. Mob: The Life and Crimes of Moe Dalitz

"Don't Shoot, G-Men!": The FBI Crime War, 1933-1939

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

Iceman of Brooklyn: The Mafia Life of Frankie Yale

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

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

The FBI Encyclopedia

Blood Trails

Hidden Animals: A Field Guide to Batsquatch, Chupacabra, and Other Elusive Creatures

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

The Mafia at Apalachin, 1957

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

Justice Gun