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Space Adventures #21 cover
Cover: Dick Giordano & Vince Alascia
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Space Adventures #21

Aug 1956 · Charlton · 0.10 USD
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# Space Adventures #21 This issue contains at least two stories. The first follows a young man named Victor who dreams of becoming a space pilot; after years of rigorous training, selection, and testing alongside hundreds of other candidates, he finally achieves his goal and is assigned as a space pilot for an expedition. The second story involves an encounter on an alien planet where Warren and his crew discover intelligent alien life and attempt peaceful contact, but face complications when they learn the planet's inhabitants are dying due to rising tidal conditions, forcing the crew to weigh their obligations to help against the limitations of their mission.

Contains 4 stories
Symbiosis
6 pp · Science Fiction

When an expedition led by Captain Vic Danton touches down on an alien world to assess its colonization potential, they encounter intelligent plant-like beings whose initial hostility traps the explorers on the hostile planet. As supplies dwindle and communication seems impossible, one crew member discovers an unexpected biological connection that could transform the aliens from captors into allies—if the pioneers can survive long enough to make their case.

Solo Flight
6 pp · Science Fiction

Space cadet Vic Randall embarks on his solo flight—a ninety-day journey through the solar system with no radio contact to Earth and nothing but his own nerve to rely on. As he pushes through meteors, mechanical failures, and the crushing psychological weight of absolute isolation, Randall must prove he has what it takes to join the elite ranks of Earth's space pilots. This 1956 tale from Space Adventures explores what happens when ambition meets the vast, unforgiving void.

Meddlers from Mercury
6 pp · Science Fiction

Two college students from Mercury, Rikki and Tmpsr, sneak away in their homemade hot-rod during vacation and materialize on Earth at a university campus, where they decide to meddle in local affairs by secretly enhancing a football player named Willie Hope with a mysterious substance to help him win Mary French's affection. As Willie's athletic fortunes rise and fall with their interference, the Mercurians come to realize that their meddling may have unintended consequences—and that people might be better off solving their own problems, even if the solutions are messier.

The Peace Planters
5.875 pp · Science Fiction

In 2055, a deadly microbe threatens humanity's survival—and the only cure grows on a plant that Earth destroyed fifty years ago. Captain Johnson and his crew have one month to search the universe for the weed, but their desperate mission becomes a test of something more fundamental when they encounter alien life on hostile worlds. What they discover about compassion and sacrifice may matter far more than whether they find the cure in time.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $26
CGC 9.0 · 2 in census $276*
CGC 8.5 · 1 in census $189*
CGC 8.0 none in existence
CGC 7.5 · 2 in census $115*
CGC 7.0 none in existence
CGC 6.5 none in existence
Show all 16 grades
CGC 6.0 · 2 in census $72*
CGC 5.5 · 1 in census $57*
CGC 5.0 none in existence
CGC 4.5 none in existence
CGC 4.0 · 1 in census $45*
CGC 3.5 none in existence
CGC 3.0 none in existence
CGC 2.5 none in existence
CGC 2.0 none in existence
CGC 1.5 · 1 in census $30*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

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Full credits

writer Joe Gill
artist, inker Ray Osrin
cover pencils Dick Giordano
cover inks Vince Alascia

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