“Do you think we’ll be flying on a propeller plane? Or one of the newer jets?” asked Ann.

“I’m sure it will be a jet,” said Roger. “Propeller planes are almost entirely out of date, after all. On the other hand, rocket engines are still experimental. It’s said that when they’re in general use, trips like this will take an hour at most. This one will take up to four hours.”

If all stories were written like science fiction stories