BATMAN: THE GOLDEN AGE OMNIBUS VOLUMES 1 to 9 + THE GREATEST COVERS OF DETECTIVE COMICS FROM THE '30's TO THE 50's (10 in Lot) - (2015/2021 - DC) - Nine hardback editions which collects Detective Comics #27-210, Batman #1-85, New York World's Fair Comics #2, World's Best Comics #1, World's Finest Comics #2-70 + a chronicle of key covers - Over 6000 pages in total