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Showcase #18 cover
Cover: Gil Kane & Joe Giella

Showcase #18

Jan 1959 · DC · 0.10 USD
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In "Invaders from the Atom Universe," Adam Strange finds himself caught in a web of deception on the alien world of Ranagar, where full-size dolls of him have become a cultural craze. When Alanna secretly plans to send Adam and eleven others to the isolated planet Dys, suspicion grows as a mysterious plot involving "KLY" bombs unfolds. Written by Gardner Fox and illustrated by Mike Sekowsky, with inks by Joe Giella, this 1959 Showcase #18 features a cover by Gil Kane and Joe Giella, blending sci-fi intrigue with the classic zeta-beam mystery.

Contains 3 stories
Invaders from the Atom Universe
14.33 pp · Adventure, Science Fiction
Adam StrangeRannAlannaVrenn chieftainThe Vrenn

In "Invaders from the Atom Universe," Adam finds himself shrunk and stranded on a desolate atomic world after a zeta-beam mishap, where he must navigate a city ruled by pop-eyed green aliens. With only a broken transfer machine and a scrap of phosphorous fuel to guide him, he rallies the desperate Rannians, uses their belt units to turn the tide, and fights to send the Vrenn back—only to be zapped away again, this time to Earth.

Bernard Lyot
1 pp · Non-Fiction, Math & Science
Bernard Lyot
The Dozen Dooms of Adam Strange!
9.67 pp · Adventure, Science Fiction
Adam StrangeAlannaTak Vall (first appearance, villain)Moora (first appearance, villain)

In "The Dozen Dooms of Adam Strange!" from Showcase #18 (1959), Adam Strange finds himself caught in a web of deception on Ranagar, where full-size dolls of him have sparked a bizarre cultural frenzy. When Alanna warns of a looming threat from the isolationist planet Dys and a secret sabotage plot involving "KLY" bombs hidden in the dolls, Adam must unravel the truth before the entire planet is destroyed. With time running out and the zeta beam calling him once more, he races to expose the conspiracy—only to face a final, unexpected twist at the honors dinner.

ComicBooks.com Value

Our Model is In Beta
Raw (VG) $92
CGC 9.2 · 3 in census $2,231
CGC 9.0 · 3 in census $1,911
CGC 8.5 · 7 in census $1,099
CGC 8.0 · 6 in census $656
CGC 7.5 · 12 in census $635
CGC 7.0 · 8 in census $386
Show all 19 grades
CGC 6.5 · 20 in census $278
CGC 6.0 · 18 in census $260
CGC 5.5 · 13 in census $214*
CGC 5.0 · 21 in census $194
CGC 4.5 · 22 in census $173
CGC 4.0 · 17 in census $162
CGC 3.5 · 7 in census $162
CGC 3.0 · 7 in census $102
CGC 2.5 · 3 in census $92*
CGC 2.0 none in existence
CGC 1.5 · 1 in census $57*
CGC 1.0 none in existence
CGC 0.5 · 1 in census $43*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

VF $5 NM $5.99 VF $9.98 PR $100 FAIR $125.32 CGC 1.5 $150 CGC 3.5 $160 VG $160
Related listings we couldn't confirm as this exact issue · 27 total · seen 23 days ago
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Full credits

cover pencils Gil Kane
cover inks Joe Giella

Reprints

Reprinted in Challengers of the Unknown #4 (1960), Marvila, la Mujer Maravilla #52 (1960), Frankenstein #1 (1963), Green Lantern #31 (1964), The Essential Showcase 1956-1959 #[nn] (1993), The Adam Strange Archives #1 (2004), Showcase Presents: Adam Strange #1 (2007), Showcase Presents: Showcase #1 (2012), Adam Strange: The Silver Age Omnibus #[nn] (2017)

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