Dune.

'An astonishing science fiction phenomenon' WASHINGTON POST
'I know nothing comparable to it except The Lord of the Rings' Arthur C Clarke
'It is possible that Dune is even more relevant now than when it was first published' NEW YORKER
The Duke of Atreides has been manoeuvred by his arch-enemy, Baron Harkonnen, into administering the desert planet of Dune. Although it is almost completely without water, Dune is a planet of fabulous wealth, for it is the only source of a drug prized throughout the Galactic Empire. The Duke and his son, Paul, are expecting treachery, and it duly comes - but from a shockingly unexpected place.
Then Paul succeeds his father, and he becomes a catalyst for the native people of Dune, whose knowledge of the ecology of the planet gives them vast power. They have been waiting for a leader like Paul Atreides, a leader who can harness that force ...
DUNE: one of the most brilliant science fiction novels ever written, as engrossing and heart-rending today as it was when it was first published half a century ago.
Joint winner of the HUGO AWARD for best novel, 1966
Winner of the NEBULA AWARD for best novel, 1965
Read the book which inspired the 2021 Denis Villeneuve epic film adaptation, Dune, starring Oscar Isaac, Timothee Chalamet, Zendaya and Josh Brolin.