I en bok om rymdnunnor och ökenmask
The smell of it flooded across him.
What has the worm to do with the spice, melange? he asked himself. And he remembered Liet-Kynes betraying a veiled reference to some association between worm and spice.
It was like a peal of dry thunder coming from far off to their right.
The worm drew back onto the sand, lay there momentarily, its crystal teeth weaving moonflashes."