Action Comics (1938 DC) 576
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Tags: Superman$7.20
$4.20
$3.60
$3.60
Superman discovers "Earth's Sister Planet," and it's ruled by highly evolved dinosaurs! Scripted by Bill Woolfolk, with art by Kurt Schaffenberger. "What is "The Monumental Menace of Metropolis"? written by Mark Waid with art by Paris Cullins and Mike DeCarlo. Cover by Eduardo Barreto. 36 Pages, Full Color, $0.75. Cover price $0.75.