Tolkin's Writings - A Brief History of Middle Earth

Torkin spent over ten years drafting lor of the rings. He then went back to all his other mythology associated with middle earth and tried to deepen his own knowledge of these things. Tolkan approached middle earth like he was documenting a real thing, right like that? Right now, i'm not saying he's delusional. I'm just saying tat like that, that was his approach as a writer. It was his process.