Dune: Edge of a Crysknife: Rage of Shai-Hulud #1

A new prequel adaptation from the world of Dune. Discover the origins of Shadout Mapes. It's a battle of generations as Mapes's son, Samos, launches a bold assault against Baron Abulurd Harkonnen, son of Dmitri. To bring down a heavily fortified Harkonnen outpost, the Fremen will need a tool of unimaginable destruction... Shai-Hulud, also known as sandworms!