“Mister Stern,” Grimm said. “What is that covering you from head to toe? For a moment I took you for my shadow.” “Soot and engine grease, Skip,” Stern said, grinning. “I take it you amused yourself thoroughly this evening.” “Indeed I did, sir. All went well.” “I am relieved to hear it—but I can’t have one of my aeronauts wandering about looking like a tunnel rat. Clean yourself up.” Stern grinned, and his teeth were a very white contrast to the soot. “I’ll do that, sir, right away.” “Good man,” Grimm said, and began striding toward the archway leading into Habble Landing. Sorellin looked back
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