- Script
- Edmond Hamilton
- Pencils
- Curt Swan
- Inks
- George Klein
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superman [Clark Kent]; Superman Emergency Squad; Jimmy Olsen; Jor-El (flashback); Tharb-El (flashback); Lois Lane; Lana Lang; Perry White; Supergirl; Krypto; Legion of Super-Heroes [Saturn Girl; Lightning Lad; Cosmic Boy]; Superman robots
- Synopsis
- A Kryptonian artifact containing samples of Virus X crashes on Earth, and though Superman drives it deep underground with a huge boulder, he appears to have been exposed to the virus, which kills Kryptonians in 30 days.
- Reprints
- Keywords
- flying newsroom; Fortress of Solitude; green kryptonite; Kandor
First part of a 3-part novel. Story reworked from Superman (DC, 1939 series) #66.
- Script
- Edmond Hamilton
- Pencils
- Curt Swan
- Inks
- George Klein
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superman; Superman Emergency Squad; Legion of Super-Heroes [Bouncing Boy; Triplicate Girl; Sun Boy; Chameleon Boy; Brainiac 5; Lightning Lad; Saturn Girl; Cosmic Boy; Invisible Kid; Shrinking Violet]; Supergirl; Krypto; Lois Lane; Jimmy Olsen; Lori Lemaris; Superman robots
- Synopsis
- As Superman lies near death, Supergirl recruits Superman's allies to help perform all the great tasks Superman planned to do before he died to secure the safe future of Earth.
- Reprints
- Keywords
- flying newsroom; Kandor
Part two of a 3-part novel. Cosmic Boy is mistakenly referred to as Cosmic King in one panel.
- Script
- ?
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
Letters from Jay Lerrow, Galen Gilbert, Milton Ponce, Tom Tallman, Cera Kasson, Marty Craig Flinn, Harold M. Smith.
- Script
- Edmond Hamilton
- Pencils
- Curt Swan
- Inks
- George Klein
- Colors
- ?
- Letters
- Joe Letterese
- Genre
- superhero
- Characters
- Superman; Supergirl; Jimmy Olsen; Superman Emergency Squad; Legion of Super-Heroes [Saturn Girl; Shrinking Violet; Invisible Kid; Lightning Lad; Cosmic Boy; Bouncing Boy; Triplicate Girl; Brainiac 5; Chameleon Boy; Sun Boy]; Lois Lane; Jonathan Kent (flashback); Martha Kent (flashback); Lana Lang; Lyla Lerrol (flashback); Batman [Bruce Wayne]; Robin [Dick Grayson]; Lori Lemaris; Krypto; Mon-El; Tharb-El; Superman robots
- Synopsis
- After Superman says his final good-byes, Supergirl discovers that Superman was not exposed to Virus X, and Mon-El is finally able to make contact from the Phantom Zone to reveal the real cause of Superman's distress.
- Reprints
- Keywords
- flying newsroom; Phantom Zone
Part three of a 3-part novel.