Here is all of my Nier and Nier related books. I've got game guides, manga and novels. : r/nier
Nier: Automata World Guide book preview and release date - Polygon
NieR:Automata World Guide Vol.1 (English) Available for Pre-order | Fire Sanctuary
Lance McDonald on X: "Did you know there's actually two Nier Automata world guides? Both hard cover and English language. I had no idea Vol. 2 existed until now and it's like