Estelle had turned very pale.
"We're in no great danger from Indians," went on Arthur thoughtfully, "or from anything else that I know of—except one thing."
"What is that?" asked Estelle quickly.
Arthur shook his head and led her back toward the skyscraper, which was now thronged with the people from all the floors who had come down to the ground and were standing excitedly about the concourse asking each other what had happened.
Arthur led Estelle to one of the corners.
"Wait for me here," he ordered. "I'm going to talk to this crowd."
He pushed his way through until he could reach the confectionery and news-stand in the main hallway. Here he climbed up on the counter and shouted:
"People, listen to me! I'm going to tell you what's happened!"
In an instant there was dead silence. He found himself the center of a sea of white faces, every one contorted with fear and anxiety.
"To begin with," he said confidently, "there's nothing to be afraid of. We're going to get back to where we started from! I don't know how, yet, but we'll do it. Don't get frightened. Now I'll tell you what's happened."