The Secret Origin of Supergirl "The Supergirl of Krypton!"
Written by Otto Binder, Penciled & inked by Al Plastino.
Reprinted from Action Comics #252.
The Secret Origin of Green Lantern "SOS Green Lantern!"
Written by John Broome, Penciled by Gil Kane, inked by Joe Giella.
The Secret Origin of the Atom "Birth of the Atom!"
Written by Gardner Fox, penciled by Gil Kane, inked by Murphy Anderson.