DC June, 1940
1st appearance of Clayface (Basil Karlo); Joker
The Murders of Clayface; The Forgarian Ball; An American Reporter in London; The Mysterious Rays; The Jewel Robbers; Theft at the Fair (text), Part 1; The Prodigy; The New Plane; The Murder of Slugger Carmen
Bill Finger, Jack Lehti, Gardner Fox, Chad Grothkopf, Jerry Siegel
Bob Kane, Maurice Kashuba, Ken Ernst, Jack Lehti, Fred Guardineer, Don Lynch, Chad Grothkopf, Howard Sherman