Tolkien published The Hobbit in 1937 and The Lord of the Rings in the mid 50s. But he continued to write about Middle-earth right up until the years before his death in 1973. The Nature Of Middle Earth, is the first ever publication of these final writings on Middle-earth, covering a wide range of subjects for fans of The Silmarillion, The Lord of the Rings, Unfinished Tales, and The History of Middle-earth. Hardcover available Sept. 2.