Dune

Dune is a novel (and five sequels) written by Frank Herbert about a 'desert planet', Arrakis, and the Atreides family who take control of it. Arrakis is important because it is the only known source of the 'spice', melange, which is the most valuable substance in the universe.

Arrakis is also home to the sandworms.

Minis from Dune are mini-Sandworms.