# Captain America (1968) #141

Published: 1971-09-01T00:00:00+0000
Series: Captain America (1968 - 1996)
Creators: Stan Lee (writer), Joe Sinnott (cover artist), Art Simek (letterer), John Romita Sr. (penciler)

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Elementary X is the most destructive substance known to man! Will Captain America be able to find and defeat the Grey Gargoyle before he gets to use it to destroy the world? Or will he lose his most trusted friends to the Gargoyle's stony grasp