Detective Comics #35

In "The Case of the Ruby Idol," a cursed gem shaped like a grotesque idol sets off a deadly chain of events, drawing Batman into a shadowy mystery involving a strange Hindu cult. Written by Bill Finger and illustrated by Bob Kane and Sheldon Moldoff, this 1940 classic showcases the Dark Knight’s early days with atmospheric art and a chilling, otherworldly threat. The cover by Bob Kane captures the eerie allure of the ruby idol, setting the tone for a tale that blends mystery and the supernatural.