don't know but here sthe info about the book.
THE ST VALENTINES DAY MASACRE 1929
UNCOVERD EDITIONS
ON 14 FEBRUAY 1929, THE BODIES OF SEVEN MEMBERS OF THE BUGS MORAN GANG WERE FOUND RIDDLED WITH BULLETS INSIDE A GARAGE IN NORTH CHICAGO. THEY HAD BEEN LINED UP AGAINST A WALL , THIER BACKS TO THIER KILLERS, AND SHOT WITHOUT ANY SIGN OF A FIGHT. THE EVENT WAS TO GO DOWN IN HISTORY AS THE ST VALENTINES DAY MASSACRE.
THE EXTRACTS PRESENTED IN THIS UNCOVERED EDITION ARE OF THE SELECTED FILES TAKEN FROM THE FEDERAL BUREAU OF INVESTIGATION (FBI). THE INVESTIGATION WAS CONDUCTED BY THE CHICAGO POLICE DEPARTMENT, NOT THE FBI, AS NO VIOLATION OF FEDERAL LAW HAD OCCURRED WHICH WOULD PERMIT THE FBI TO INVESTIGATE. NO ONE WAS EVER ARRESTED OR PROSECUTED FOR THE CRIME.
UNCOVERED EDITIONS ARE HISTORIC OFFICIAL PAPERS WHICH HAVE NOT PREVIOUSLY BEEN AVAILABLE IN APOPULAR FORM.