I found out today that Dune (the actual book from 1966) is available copyright-free from Archive dot org as an ePub / PDF for digital reading (https://archive.org/details/dune-saga-collection/Dune%20Saga%20Collection/Brian%20Herbert/House%20Atreides%20%28278%29/House%20Atreides%20-%20Brian%20Herbert/), and I naturally went on a hunt for the nicest cover to add it to Apple Books.

There’s a LOT of awesome Dune cover art! Here's a fantastic history on Dune art through the years: https://t.co/khptGz4Pbi