Detective Comics #27

THE FIRST APPEARANCE OF BATMAN! Written by Bill Finger, Gardner Fox, Homer Fleming, Jerry Siegel, Jim Chambers, Tom Hickey, Leo O'Mealia, Sven Elven and Russell Cole Art by Bob Kane, Fred Guardineer, Homer Fleming, Wayne Boring, Joe Shuster, Jim Chambers, Tom Hickey, Leo O'Mealia, Sven Elven and Russell Cole The legendary Dark Knight has solved many bizarre and frightening cases, but all his storied exploits began right here, with The Case of the Chemical Syndicate! Someone has marked the partners of the Apex Chemical Corporation for death, and the first victim has already been claimed. As Police Commissioner Gordon rushes from one crime scene to another, he finds himself one step behind a mysterious figure known only as...the Bat-Man!