"They did," Snader said. "No movie. Time travelers. In fourth
dimension. To you, they look like flat picture. To them, we look flat."
"What's he supposed to be?" Jeff asked as the onrushing picture showed
them briefly a figure bound hand and foot, huddled in one of the
chairs. He stared at them piteously for an instant before the picture
surged past.
Snader showed his teeth. "That was convict from my time. We have
criminals, like in your time. But we do not kill. We make them work.
Where he going? To end of line. To earliest year this time groove
reach. About 600 A.D., your calendar. Authorities pick up when
he get there. Put him to work."
"What kind of work?" Jeff asked.
"Building the groove further back."
"Sounds like interesting work."
Snader chortled and slapped him on the back. "Maybe you see it some
day, but forget that now. You come with me. Little trip."
Jeff was perspiring. This was odder than he expected. Whatever the
fakery, it was clever. His curiosity as a technician made him want to
know about it. He asked Snader, "Where do you propose to go? And how?"