After two years of meditation, the book which helped me get to the next level. (Yup: I've become a f-ing beatnik.)
Not the animated feature film by Topor and Laloux (though it's the inspiration for the title and the opening music) but a podcast from Quebec which offers a sound montage of musics, dialogues and various excerpts on a particular theme. One monthly hour of trippy atmosphere to disconnect from it all. I started by this episode about dreams which got me hooked.
Everybody talks about it, rightly so. The history of Man without all the preconceptions we like to tell about ourselves.