"They think perhaps out to the outer surface," Taro said. "He ran that way."
"To find Mack and Vivian!" I exclaimed. "Well, that's what we want to do. Show us that exit, Taro."
"I will go with you," the young Lei said quietly. But there was no mistaking his shudder and the grim look on his face. "Tahn, you stay here."
"I will go with my husband," she retorted. "Taro, please—"
We took her. It seemed that the commotion at Blaine's cell must have drawn all the Radaks from these other passages. We were not discovered as we threaded our way back, until presently we were ascending a winding tunnel which ended at the crimson upper surface. How long it took us to sight Mack, Vivian and Blaine I do not know. It seemed an eternity of apprehension, as Taro and Tahn cautiously led us along winding rocky defiles and past patches of that weird, fantastic forest. Shorty and I saw none of the monsters. But there were many times when suddenly, without explanation, Taro turned us from where we would have wandered.
Then we were far enough from the tunnel entrances so that we dared talk without possibility that the Radaks would hear us.
"Blaine! Blaine—where are you?"
"Mack! Vivian—are you here?"
It was Tahn who first saw them. We were in a cluster of rocks with a brink ahead of us. I could see lower ground perhaps fifty feet down—a precipitous descent close ahead of us. It chanced that Tahn was leading, and suddenly she turned, gave a cry, and then pointed over the brink.
"There they are! Down there! Look—look at them—"