The Complete Guide to Middle-earth
From the One Wiki to Rule Them All, the Lord of the Rings Encyclopedia.
The Complete Guide to Middle-earth is a reference book for Middle-earth, compiled and edited by Robert Foster.
Originally published soon after the publication of The Silmarillion, it is generally recognised as excellent reference book on the subject. However, as it does not include info on post-Silmarillion material (i.e. Unfinished Tales and the The History of Middle-earth series), in points it is in error.
A revised edition was published in 2001 in time for the Lord of the Rings movie trilogy (ISBN 0345449762).
