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
Writers: Bill Finger, Jack Lehti, Gardner Fox, Chad Grothkopf, Jerry Siegel
Artists: Bob Kane, Maurice Kashuba, Ken Ernst, Jack Lehti, Fred Guardineer, Don Lynch, Chad Grothkopf, Howard Sherman