The Junk Lady took a moment to give that statement the consideration that it deserved, and then gave her head a nod, looking about as sympathetic as a shrivelled hag who was buried underneath a heap of garbage could possibly look.

"Very easy," she agreed, "if you go back out there. You should stay here, all of you should. Yes, you'll always know where you are if you stay right here. Safe and found."

Possibly not sound, but found, absolutely.