"Oh, no. They've been taken to Zara."
"Zara? Where's Zara?"
"Zara is a satellite of the third planet. The one we call Tunis."
"What is that city we saw? The deserted one near the ship?"
Again the man smiled and nodded toward the door. "If They see fit to tell you."
Saxon shrugged burly shoulders. "How do you make yourselves invisible?"
Surprisingly enough the man answered.
"It's a refinement of your stellar drive, an excursion into the time field. In fact, it was discovered almost a hundred of your years ago by a Terran. A Dr. Walter."
Saxon looked disconcerted. Ileth swallowed, her eyes as round as saucers. Suddenly her hand squeezed his arm.
"The door! It's opening!"