William J. Helmer | Bookhype

William J. Helmer is the author of The Gun That Made the Twenties Roar and the coauthor of Dillinger: The Untold Story and Baby Face Nelson. He lives in Boerne, Texas.

Sep 30, 2016

Cover of The Gun That Made the 20's Roar

The Gun That Made the 20's Roar

Jul 7, 2011

Cover of Al Capone and His American Boys

Al Capone and His American Boys

Aug 16, 2007

Cover of The Complete Public Enemy Almanac

The Complete Public Enemy Almanac

Sep 14, 2006

Cover of The St. Valentine's Day Massacre

The St. Valentine's Day Massacre

Oct 1, 2003

Cover of The St.Valentine's Day Massacre

The St.Valentine's Day Massacre

Jan 1, 1999

Cover of Public Enemies: America's Criminals

Public Enemies: America's Criminals

Jul 1, 1994

Cover of Dillinger