Nobody's awake but the moon...

The path you walk is old and forgotten, left to whatever elements may try and reclaim it. You continue forward as the world around you fades into silence. Any signs of recent life disappear, left only with what once may have been. You walk and walk, a purpose in your heart but no destination in mind. Then, suddenly, your trance is broken by a different crunch beneath your foot, and you find underneath something peculiar — a letter. Read it?