6CHAPTER VI—IN THE TUNNEL
22CHAPTER XXII—HOLDING THE FORT
7CHAPTER VII—DANGER SIGNALS
23CHAPTER XXIII—ONE MINUTE AFTER TWELVE
8CHAPTER VIII—THE OLD SWITCH SHANTY
24CHAPTER XXIV—THE BATTLE OF WITS
9CHAPTER IX—A SUSPICIOUS DISCOVERY
25CHAPTER XXV—A WILD NIGHT
10CHAPTER X—THE TRAIN DISPATCHER
26CHAPTER XXVI—AN AMAZING ANNOUNCEMENT
11CHAPTER XI—MAKING A SCHEDULE
27CHAPTER XXVII—THE STOLEN PAY CAR
12CHAPTER XII—AT THE RELAY STATION
28CHAPTER XXVIII—THE “TEST” SPECIAL
13CHAPTER XIII—“HOLD THE LIMITED MAIL!”
29CHAPTER XXIX—“CRACK THE WHIP!”
14CHAPTER XIV—OLD 93
30CHAPTER XXX—THE PAY CAR ROBBER
15CHAPTER XV—CHASING A RUNAWAY
31CHAPTER XXXI—QUICK WORK
16CHAPTER XVI—THE WRECK
32CHAPTER XXXII—CONCLUSION
