This issue has variants.
Reprints Captain Marvel (Marvel, 1968 Series) #22-33 and Iron Man (Marvel, 1968 Series) #55.
John Romita pencils and inks on head of figure.
Illustraion taken from the cover of Captain Marvel #31
Dr. Mynde spelt Dr. Minde on cover.
Map of Titan from the letters page of Captain Marvel #27
Jim Starlin's cover art to Captain Marvel #29, before John Romita's alteration to the face of Captain Marvel.
Short biographies on creators Jim Starlin, Mike Friedrich, Wayne Boring, Gerry Conway, Marv Wolfman and Steve Englehart.