She had been walking toward the front of a sabotaged airplane with her mind already emptying for the work, and somewhere in that walk she had looked at a frightened child and a frightened mother and given them the one small thing she had to give, a nod, a wordless promise she had no business making and had somehow kept, and she had not even known she had done it.

That, she thought, was the part no story about seat 8A ever got right.

The landing was the part people told.

But the nod was the part that mattered, the small unremembered human thing passed from one scared person to another in the dark, and it had reached eleven years into a girl’s life and set her on a path toward the sky.

She put the letter in a wooden box she kept, and she did not read it again for a long time, but she always knew exactly where it was.