"One thing about you fellows," said Tommy, "is that you will tackle anything.”

"It was so simple," said the Engineer, "that we are ashamed we never thought of it.”

"But this trouble," rumbled Kingsley. "This danger to the universe. You told us about it back on Pluto, but you didn't explain. We would like to know.”

"That," said the Engineer, "is what I am here to tell you…”

No change in the tone of the thoughts… no slightest trend of emotion. No change of expression on his face.

"We will do whatever we can to help," Kingsley told him.

"We are sure of that," said the Engineer. "We are glad that you are here.

We were so satisfied when you said that you would come. We feel you can help us very, very much.”

"But the danger," prompted Caroline. "What is the danger?”

"I will begin," said the Engineer, "with information that to us is very elemental, although I do not believe you know it. You had no chance to find it out, being so far from the edge of the universe. But we who have lived here so many years, found the truth long ago.