This is the seventh volume of previously unpublished works in Tolkien's prehistory of Middle Earth, the setting of his famous "The Lord of the Rings" and "The Hobbit", among others.
- Genre: Science Fiction + Fantasy, Fiction + Literature Themes
- Subgenre: Religion + Beliefs, Literary Genres + Types of Novels, Short Stories, Magic, Saga + Myth + Legend
- Publisher: Houghton Mifflin Harcourt
- Pages: 504
- Language: English
- Format: hardcover
- Release Date: November 30, 1989
- Date Published: November 30, 1989
- Author: J. R. R. Tolkien, Christopher Tolkien