!link! — Sp Furo 22

No signature. No return address. The paper was ordinary — the kind you could buy at any convenience store. The postmark was smudged beyond recognition.

Again, typed. Again, no signature. But this time, there was a small sketch in the bottom corner — a rough hand-drawn diagram showing a network of tunnels beneath the district with an arrow pointing to a section marked with an X. The arrow was labeled with a single word: sp furo 22

Ren called the municipal engineering office. The woman who answered — No signature