It is set in the First and Second ages of [[Middle Earth]] and describes the creation of world through the music of the Ainur to the Sundering of Valinor from Middle Earth at the end of the Second Age. It introduces characters such as Sauron the Great and Elrond Halfelvin who appear in his other novels. | It is set in the First and Second ages of [[Middle Earth]] and describes the creation of world through the music of the Ainur to the Sundering of Valinor from Middle Earth at the end of the Second Age. It introduces characters such as Sauron the Great and Elrond Halfelvin who appear in his other novels. |