“Did Mr. Stannart mention what was in the letter?”
“In a way, he did,” rejoined Biff. “He said we were supposed to be going with a rubber-hunting expedition, but that actually we would be looking for gold—”
“You didn’t mention that to anyone, did you?” interrupted Mr. Brewster anxiously. “I mean, while you were on the plane?”
“I only talked to a man named Mr. Serbot,” returned Biff, “and I even played dumb when he suggested that you take me on a safari. He said we could make arrangements at the Hotel Amazonas.”
Biff saw his father’s taut expression change to one of relief. Mr. Brewster spurted the jeep over a watery stretch of road with the comment:
“These jeeps have to be real puddle jumpers. You never know how deep some of the mud holes are.”
The road improved as they swung into the city. It was then that Mr. Brewster asked:
“Did Mr. Stannart tell you that there might be serious danger, now that other persons are after the mine?”
“Yes, he said you must be warned.”
“I suppose that is why he let you come,” mused Mr. Brewster. “Frankly, I feel he made a mistake, and I should send you straight home. However, if we keep far enough ahead of trouble, it may not catch up with us.”