Books by William J. Helmer

The Complete Public Enemy Almanac

The Complete Public Enemy AlmanacNew Facts and Features on the People, Places, and Events of the Gangsters and Outlaw Era: 1920-1940

William J. Helmer

Meticulously documented, lavishly detailed, exhaustively researched, and written with an eye for the truths that have remained largely hidden, The Complete Public Enemy Almanac provides a reliable...

The St. Valentine's Day Massacre

The St. Valentine's Day MassacreThe Untold Story of the Gangland Bloodbath That Brought Down Al Capone

William J. Helmer

The machine-gun murders of seven men on the morning of February 14, 1929, by killers dressed as cops became the gangland crime of the century. Or so the story went. Since then it has been featured in...