One exceptionally savage user by the name of @TheNinjaWhippet responded with a link to a free and publicly accessible copy of the book, which has existed online since 2011.
Under copyright laws, Spice DAO must seek co-creator consent before making an animated series inspired by the book and selling it to a streaming service or wait 70 years after the death of Jodorowsky, which would be when the works enter the public domain.