Dead Man's Footsteps (Abridged)

'Abby stepped in the lift and the doors closed with a sound like a shovel smoothing gravel. She breathed in the smell of someone else's perfume, and lemon-scented cleaning fluid. The lift jerked upwards a few inches. And now, too late to change her mind and get out, with the metal walls pressing in around her, they lunged sharply downwards. Abby was about to realize she had just made the worst mistake of her life . . .'

Amid the tragic unfolding mayhem of the morning of 9/11, f…