The Hobbit

The Lord of the Rings

edited by Christopher Tolkien:

The Silmarillion

Unfinished Tales

The History of Middle-Earth

The Book of Lost Tales, pt. 1

The Book of Lost Tales, pt. 2

The Lays of Beleriand

The Shaping of Middle-Earth

The Lost Road & Other Writings

The Return of the Shadow

The Treason of Isengard

The War of the Ring

Sauron Defeated

Morgoth's Ring

The War of the Jewels

The People's of Middle-Earth