Bilford lifted his eyebrows. "What makes you think they've figured it out?"

Roysland's massive face broke into a grin. "Simple. I'm back among the living again. If I'm right—and I think I am—you undid this feedback in the prefrontal lobes with an effect similar to the one that caused it. Q.E.D.: You know what caused it."

Bilford nodded. "Good reasoning. And accurate. I guess your brain isn't as burned out as it might be. I guess you can see visitors now."

"Who?" Roysland asked.

Bilford stood up and headed for the door. "Four Special Weapons staff members and a Fleet Commander. They've been waiting to see you for three days, and I told them you'd be out from under this morning." Then he stopped at the door and looked bland. "Of course, if you don't want to see them—"

"Get them in here!" bellowed Roysland.

All Bilford had to do was open the door. Five men came into the room as though the hall were full of poison gas. After a minute or so of inquiring after Roysland's health and expressing their sympathy for his plight, they settled down to business.

"I figured there was something screwy in that story you gave me," Allerdyce said. "Going to hunt for animals, indeed!"

Bilford grinned. "I didn't think he was, either. It was brilliant to have those recorders in the Enlissa officer's cell. And the other stuff came through perfectly."

Roysland shook his head. "You misunderstand me. I most certainly did intend to get animal specimens. I figured the answer was involved with the aliens themselves, but I didn't know what the gimmick was.

"Now I know that it was the interaction of the aJ's backwash and the enemy's beam that caused the mindjammer effect. The enemy's weapon was intended as a death ray, but for some reason, it doesn't work on humans."

"That's right," said Taddibol. "The enemy projector was designed to disintegrate the molecule of a particular enzyme that is necessary to Enlissa life. It does the job beautifully, too. When the beam hits an Enlissa, the enzyme disintegrates, oxidation can no longer take place in the tissues, and presto! the Enlissa dies. But our own system is so different that the beam doesn't even effect us."

"The answer's been right in front of our eyes for a long 

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