DC June, 1941
The Secret of the Jade Box; The Hidden Treasure; Proof of a Champion (text)
Bill Finger, Jerry Siegel, Henry Boltinoff, Jack Lehti, Chad Grothkopf, John Woodley, Clem Gordon, Joe Stone
Bob Kane, Ed Moore, Henry Boltinoff, Jack Lehti, Cliff Young, Ed Winiarski, Chad Grothkopf, Stan Kaye, Don Lynch, Howard Sherman