  CHAPTER I THE DESERTED AIRPLANE CHAPTER IV THE SKY SQUAD IS FORMED CHAPTER VI SUSPICION AND SUSPENSE CHAPTER VII IN THE FALLING 'PLANE CHAPTER XI A TRAIL AND A FLIGHT CHAPTER XIII THE DETECTIVE'S THEORY CHAPTER XIV THE SKY SQUAD DISOBEYS CHAPTER XVII "THE CASE IS 'SEWED UP'" CHAPTER XXI CAUGHT AND CLEARED! CHAPTER XXII THE "MYSTERY CRATE" CHAPTER XXVI THE SKY SQUAD GOES INTO ACTION CHAPTER XXVIII CURT'S DISCOVERY CHAPTER XXX BARNEY GIVES A HINT CHAPTER XXXI "ONE MORE PROBLEM" CHAPTER XXXIII THE SKY SQUAD WINS He caught the gunwale and pulled himself up and into the boat with Curt’s aid. ( THE |
|
