Detective Comics #309

In "The Mystery of the Mardi Gras Murders," Batman and Robin navigate the chaos of Gotham’s Mardi Gras carnival to solve a string of killings, aided by the returning photojournalist Vicki Vale. With a crucial photograph as their only clue, the Dynamic Duo race to unmask the killer before the festivities end in tragedy. The story, written by Jack Miller and illustrated by Joe Certa, features a striking cover by Bob Kane and Sheldon Moldoff, capturing the spectacle and suspense of the event.