Susan gave a surprised laugh at that thought. Oh, the dwarves would have loved a hunt like that. "I have to say, I'm not surprised. But I wonder..."

Well, she wondered the sort of things she always wondered: What did the worms do? How did their bellies get filled with treasure? Was the treasure undigested, or was it partially gnawed away by stomach acid - that is, was it food? If it wasn't, why would they eat it?

"...were they all killed off? Or was it some sort of... seasonal thing?"