The Cartographer's Last Correction

A cartographer's study sits frozen mid-revision: charts pinned to every wall, a brass telescope angled at the skylight, and a half-eaten plate of biscuits gone cold on the desk. Somewhere in this room is a map that must be corrected before it is sent to the printers at dawn. You are the cartographer's apprentice, arriving to find the room empty—and the deadline one hour away. The correction is small, but choosing the wrong ink will ruin everything.