Inside front cover; published in cooperation with the National Social Welfare Assembly. Later appeared in DC comics cover-dated May 1965.
Continued from last issue. Superman turns Bizarro World into a cube.
letters submitted by Estelle Kirsh; Glenn Burkett; Carol Westlund; Charles Redding; Bruce Schleiden; Peter Litwack; Wayne Corn; Danny Murphy; James King; Barbara Gaddy; Barry Keffler; David Riggs; B. L. S.; Bruno Sinigaglio; Kent Maxwell; Eric Beller; M. Werber; Ed Smythe
Showcase Presents: Supergirl (DC, 2007 series) #1 credits writer to Otto Binder.