But, like most mysteries, it is quite simple, when once you know your way in and out of it.

I knew where it was when I was a kid, but I couldn't remember the spot where it came out here.

Back yonder, a bit to northward, I came upon Roke, yesterday.

I gather he had been visiting your house or Hade's, by way of the hidden path, and was on his way back to his boat, to return to Roustabout Key, when he happened upon Bobby Burns--and then on me.

He must have wondered where I vanished to.