Savagely cursing, Luke Fenton reeled backward from the porthole, his great hairy paws clapped over his eyes. No one had warned him, and he did not know that total blindness might result from gazing too earnestly into the sun's unscreened flaming orb, especially with that body not more than twenty million miles distant in space. He did not know, in fact, that the ethership was that close: Luke had Mighty Luke Fenton swaggers defiantly in Vulcan's Workshop, most frightful of Martian prisons. not t