Detective Comics #512 1981

Detective Comics #512, published by DC in March 1982, presents "The Fatal Prescription of Doctor Death!" Batman and Robin confront Doctor Death, who holds Gotham hostage with a deadly allergen, continuing a storyline from Batman #345. A backup story, "Riders in the Night!", features Batgirl breaking up a biker gang. This issue is notable as a 45th-anniversary special, including letters from Golden Age creators Joe Shuster, Jerry Siegel, Creig Flessel, and Sheldon Mayer.