This is a collection of five hardcover volumes of the most famous works of J.R.R. Tolkien taking place in Middle-earth, all published by Houghton Mifflin.
The Hobbit: Or There and Back Again
Originally published in 1937 (this edition 2001)
ISBN: 9780618162215
332 pages (includes various drawings and maps)
The Fellowship of the Ring: Being the first part of The Lord of the Rings
Originally published in 1954 (this edition 2001)
ISBN: 9780618153985
423 pages (includes a pullout map at the end)
The Two Towers: Being the second part of The Lord of the Rings
Originally published in 1954 (this edition 2001)
ISBN: 9780618153992
352 pages (includes a pullout map at the end)
The Return of the King: Being the third part of The Lord of the Rings
Originally published in 1955 (this edition 2001)
ISBN: 9780618154005
440 pages, including appendices and index (includes a pullout map at the end)
The Silmarillion: The Myths and Legends of Middle-earth
Edited by Christopher Tolkien, published in 1977 (this edition 1998)
ISBN: 9780395939468
365 pages (includes colored map at each end of the book and full-color illustrations by Ted Nasmith intermittently)