Mark Chiarello presents the "Best DC Cover of All Time", in order: CRISIS ON INFINITE EARTHS #7, THE FLASH #123, THE DARK KNIGHT RETURNS #1, ACTION COMICS #1 and THE KILLING JOKE. DC house ads for DETECTIVE COMICS #828, HELMET OF FATE: SARGON THE SORCERER #1, SUPERGIRL #14 and DETECTIVE COMICS #829.