But when she clicked it, a password prompt appeared. Her grandmother, now lost to Alzheimer’s, had been the only one who knew it.

Eloise laughed. Her grandmother had always hidden things in plain sight. She typed:

The Map in the Attic

On her grandmother’s cluttered desk sat an ancient computer, its hard drive whirring like a sleeping bee. In a folder named “Archives 2003” was a single compressed file: