The most important 1

This book is certainly the most important of the first volumes of the series "Home" ("The History of Middle-earth"), because it contains ... the REAL Silmarillion, as written by Tolkien in a form non reworked (unlike the book published under that name).
It also provides color maps and exceptional NB, and lots of historical, linguistic ...
Even more than the "Lost Tales" or "foreshore Beleriand" he Tolkien interest all readers who want to know the past of the Lord of the Rings ...