Inside front cover; published in cooperation with the National Social Welfare Assembly.
Previously appeared in DC comics cover-dated August 1962.
house ad for Strange Adventures (DC, 1950 series) #153, Adventure Comics (DC, 1938 series) #309, The Fox and the Crow (DC, 1952 series) #80, and Metal Men (DC, 1963 series) #2
membership application form for the Supermen of America; also includes message in secret code (Code Mars No. 3)
Decoded message reads: "The Silver Anniversary Giant Superman Annual will be on sale June thirteenth."
letters submitted by Joe Nursey; Jim Walker; Carolyn Campbell; Jerry Sears; Bill Parker; Fred Bronson; Larry Lucier; Joyce Bracken; John Patridge; Reggie Brown; Richard Baker; Gordon O'Rourke; Ed Jacobsen