Superman, Batman & Robin in "The Origin of the Superman-Batman Team"
Reprinted from World's Finest Comics #94.
Written by Edmond Hamilton, penciled by Dick Sprang, inked by Stan Kaye.
Adam Strange in "Secret of the Eternal City"
Reprinted from Showcase #17.
Written by Gardner Fox, penciled by Mike Sekowsky, inked by Bernard Sachs.
Green Lantern in "Planet of the Doomed Men"
Reprinted from Green Lantern (Vol 2)#1.
Written by John Broome, penciled by Gil Kane, inked by Murphy Anderson.
Challengers of the Unknown in "The Secrets of the Sorcerers Box"
Reprinted from Showcase #6.
Written by Dave Wood, penciled by Jack Kirby, inked by Roz Kirby and Marvin Stein.
Green Arrow and Speedy in a text story "Origin of Green Arrow and Speedy"
Written by Jack Schiff, penciled & inked by Lee Elias.
Wonder Woman in "Secret Origin of Wonder Woman"
Reprinted from Wonder Woman (Vol 1)#105.
Written by Bob Kaniger, penciled by Ross Andru, inked by Mike Esposito.
John Jones Manhunter from Mars in "The Strange Experiment of Dr. Erdel"
Reprinted from Detective Comics #225.
Written by Jack Miller, penciled & inked by Joe Certa.
Flash in "Mystery of the Human Thunderbolt"
Reprinted from Showcase #4.
Written by Bob Kaniger, penciled by Carmine Infantino, inked by Joe Kubert.