In a moment Harry roused her.

“What is it?” she asked, with a weary air.

“Danger,” he replied.

She was on her feet in a moment. So was Monday. So was Mole.

“I hear the beat of engines in the distance,” continued Kardofan.

His hearing was very acute.

Not the slightest sound ever escaped him.

“Is it a steamer approaching?” inquired Harry.

“Yes, sahib, and a big one, too.”

This was a serious announcement.