| Issue | #140 |
| Published | September 1971 |
| Frequency | Monthly with the exception of Feb., May and Nov. |
| Cover Price | 0.35 USD |
| Pages | 68 |
| Editing | E. Nelson Bridwell |
| Notes | 80-Page Giant G-86 |
| Characters | Jimmy Olsen; Superman [Clark Kent]; Nightwing [Superman]; Flamebird [Jimmy Olsen]; Elastic Lad [Jimmy Olsen]; Giant Turtleboy [Jimmy Olsen]; Porcupine Jimmy Olsen; Wolfman Jimmy Olsen |
| Genre | superhero |
| Pencils | Curt Swan |
| Inks | Murphy Anderson |
| Characters | Superman; Nor Kann [a Kandorian scientist] (intro); Than Ol (intro, villain); Boz-Tol (intro, villain); Jax-Ur (villain); Prof. Vakox (villain); Phantom Zone inmates (villains); Kandor; Fortress of Solitude; Lois Lane; Perry White; Jimmy Olsen; Brainiac (flashback) |
| Synopsis | Superman and Jimmy Olsen travel to Kandor to discover how normal sized Kandorians are on Earth and why they are attacking Superman. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | from Superman (DC, 1939 series) #158 |
| Characters | Superman (as Nightwing, intro, origin); Jimmy Olsen (as Flamebird, intro, origin); Van-Zee (guest star); Nor Kann [a Kandorian scientist] (intro); Than Ol (intro, villain); Boz-Tol (intro, villain); Jax-Ur (villain); Prof. Vakox (villain); Phantom Zone inmates (villains); Jor-El (flashback); Lara (flashback); Kandor; Lyla Lerrol (flashback) |
| Synopsis | Superman and Jimmy Olsen take the secret identites of Nightwing and Flamebird so they can track down Than-Ol's raiders and stop his scheme to enlarge Kandor. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | from Superman (DC, 1939 series) #158 |
| Characters | Superman [Clark Kent]; Flamebird [Jimmy Olsen]; Nightwing [Van-Zee]; Nor-Kanh; Jor-El (statue); Lara (statue); Nor Kann [a Kandorian scientist] (intro); Than Ol (intro, villain); Boz-Tol (intro, villain); Jax-Ur (villain); Prof. Vakox (villain); Phantom Zone inmates (villains); Superman Emergency Squad (guest stars); Kandor; Fotress of Solitude; Phantom Zone; green kryptonite; Lori Lemaris (cameo) |
| Synopsis | Than Ol succeeds in enlarging Kandor, but Superman must re-shrink it before Than-Ol's process destroys it completely. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | from Superman (DC, 1939 series) #158 |
| Script | E. Nelson Bridwell |
| Letters | Typeset |
| Characters | Superman [Clark Kent]; Nightwing [Superman]; Flamebird [Jimmy Olsen]; Jor-El (Cameo; painting); Fortress of Solitude; Bottle City of Kandor; Nor-Kann; Skal-Var (Flashback); Super-Outlaw; Telepathic Hound |
| Synopsis | Superman and Jimmy Olsen travel to the Bottle City of Kandor to become Nightwing and Flamebird and stop an outlaw with super-powers who is stealing artifacts. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | from Superman's Pal, Jimmy Olsen (DC, 1954 series) #69 (June 1963) [original title: "The Dynamic Duo of Kandor!"] |
| Characters | Superman [Clark Kent]; Nightwing [Superman]; Flamebird [Jimmy Olsen]; Bottle City of Kandor; Night-Hound; Nor-Kann; Super-Outlaw; Jor-Dan (Flashback); The Winged One (Dragon-like Kryptonian beast); Dakar-Ra (Flashback); Superman Revenge Squad |
| Synopsis | Nightwing and Flamebird discover the identity of Super-Outlaw, and also find out who is behind his crime spree. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | from Superman's Pal, Jimmy Olsen (DC, 1954 series) #69 (June 1963) [original title: "The Dynamic Duo of Kandor!"] |
| Characters | Jimmy Olsen; Superman; Legion of Super-Heroes [Mon-El [also as The Collector]; Colossal Boy [also as The Giant Turtle Man]; Bouncing Boy [also as Fat Boy Jimmy]; Cosmic Boy [also as The Human Porcupine]; Chameleon Boy [also as Elastic Lad]; Shrinking Violet (cameo); Sun Boy (cameo); Lightning Lad (cameo); Saturn Girl (cameo); Triplicate Girl (cameo)]; Proty II [also as Wolf Boy Jimmy]; Legion of Substitute-Heroes [Fire Lad; Polar Boy; Night Girl; Stone Boy] (all in cameos) |
| Synopsis | Jimmy is taken by The Collector to the world Gion-El, which is seemingly inhabited by duplicates of him in the forms into which he has been transformed in the past. But when Jimmy realizes he is being hoaxed, the Legionnaires reveal that he has passed his initiation test and they bring him to the 30th century to officially be made an honorary member of the Legion of Super-Heroes. |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Curt Swan |
| Inks | George Klein |
| Reprinted | from Superman's Pal, Jimmy Olsen (DC, 1954 series) #72 (October 1963) |