CHAPTER XXIII
A SURPRISE IN THE NIGHT
Tom and his friends could scarcely believe their good fortune. It seemed incredible that they should have induced two of the biggest giants to accompany them back, and, not only that, but that they had the promise of the strong men to aid them.
"Now we must get busy," declared Tom, when their visitors had gone. "We've got lots of work to do on the aeroplane, and we must try out the engine. Then we've got to fix the side of the hut so it will fall out when we're ready for it. And we've got to plan how to meet the giants later in the forest."
"Yes," agreed the circus man, "and we must take care that Hank Delby doesn't spoil our plans."
Then ensued busy days. In the seclusion of their hut the prisoners could work undisturbed at the aeroplane, which had been almost assembled.
The engine was installed and tried, and, when the motor began its thundering explosions, there
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