  CHAPTER SEVEN Invisible Menace CHAPTER NINE A Cry in the Night CHAPTER TWELVE Illness Strikes CHAPTER THIRTEEN News for Randy CHAPTER FOURTEEN Peril in the Night CHAPTER FIFTEEN The Peril Continued CHAPTER SIXTEEN Disappointment CHAPTER SEVENTEEN Yank in School CHAPTER EIGHTEEN Trouble in the Air CHAPTER NINETEEN Terror in the Night CHAPTER TWENTY Lost Underground CHAPTER TWENTY-ONE A Struggle Against Time CHAPTER TWENTY-TWO Of Days to Come A Young Heroes Library Volume YOUNG VISITOR TO MARSBy (uncaptioned) ILLUSTRATED BY CHARLES H. GEER GROSSET & DUNLAP Copyright 1953 |
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