World's Finest Comics #174

The Secret of the Double Death-Wish! comes in two parts:Secret of the Double Death-Wish! The Cape and Cowl Crack-Up (starring Superman, Batman and Robin / written by Cary Bates)"We defy you to guess the secret..." Superman and Batman are put under various physical and psychological attacks as though they were being tested. Who would put these heroes under these circumstances? Zero Hour in the Silent City! (Editors' Round Table choice starring Hal Jordan and Pieface / written by John Broome : reprinted from: Green Lantern (1960) #12) Why is the city quiet? A "Zero Hour" story.