Justice League of America in "Origin of the Justice League!"
Written by Gardner Fox, penciled by Mike Sekowsky & inked by Bernard Sachs.
Reprinted from Justice League of America (1960) #9.
25 pages.
The Atom in "Birth of the Atom!"
Written by Gardner Fox, penciled by Gil Kane & inked by Murphy Anderson.
Reprinted from Showcase (1956) #34.
10 pages.
An untitled Little Pete story.
Written, penciled & inked by Henry Boltinoff.
2 pages.
Aquaman in "How Aquaman Got His Powers!"
Written by Robert Bernstein, pencield & inked by Ramona Fradon.
Reprinted from Adventure Comics (1938) #260.
7 pages.
Batman with Robin the Boy Wonder in "The Man from Robin's Past"
Written by Bill Finger, penciled by Sheldon Moldoff & inked by Charles Paris.
Reprinted from Batman (1940) #129.
8 pages.
The Flash in "The Origin of Flash's Masked Identity!"
Written b y John Broome, penciled by Carmine Infantino & inked by Joe Giella.
Reprinted from The Flash (1959) #128.
7 pages.
Superman in "The Story of Superman's Life!"
Written by Otto Binder, penciled & inked by Al Plastino.
Reprinted from Superman (1939) #146.
13 pages.
Cover art by Murphy Anderson.