The Silmarillion, Creation, & the Sins of the Artist
From Author Wars - https://authorwars.com/books/the-silmarillion-creation--the-sins-of-the-artist-2606846.html
Overview:
Editions/Publications:
- Unknown. The People's Guide to J. R. R. Tolkien (Unknown, Tehanu, Cold Spring Press, ISBN-10: 1892975904, $16.95, 377 pages, Trade Paperback, Non-fiction)