Shandor blinked. "Drop the story? You're crazy!"

"Get in here!" roared Hart. "From now on you've really got a job. The Berlin Conference blew up tonight, Tom—high as a kite. We're at war with Russia—"

Carefully, Shandor plopped the receiver down on its hook, his hands like ice. Just one item first, he thought, just one thing I've got to know. Then back to PIB, maybe.

He found a booth in the Library, and began hunting, time pressing him into frantic speed. The idea was incredible, but it had to be true. He searched the micro-film files for three hours before he found it, in a "Who's Who" dating back to 1958, three years before the war with China. A simple, innocuous listing, which froze him to his seat. He read it, unbelievingly, yet knowing that it was the only possible link. Finally he read it again.

David P. Ingersoll. Born 1922, married 1947. Educated at Rutgers University and MIT. Worked as administrator for International Harvester until 1955. Taught Harvard University from 1955 to 1957.

David P. Ingersoll, becoming, in 1958, the executive president of Dartmouth Bearing Corporation....


He found a small, wooded glade not far from the Library, and set the 'copter down skillfully, his mind numbed, fighting to see through the haze to the core of incredible truth he had uncovered. The great, jagged piece, so long missing, was suddenly plopped right down into the middle of the puzzle, and now it didn't fit. There were still holes, holes that obscured the picture and twisted it into a nightmarish impossibility. He snapped the telephone switch, tried three numbers without any success, and finally reached the fourth. He heard Dr. Prex's sharp voice on the wire.

"Anything happen since I left, Prex?"

"Nothing remarkable." The doctor's voice sounded tired. "Somebody tried to call Mariel on the visiphone about an hour after you had gone, and then signed off in a hurry when he saw somebody else around. Don't know who it was, but he sounded mighty agitated." The doctor's voice paused. "Anything new, Tom?"