The Encyclopedia of the Roman Empire, written by Matthew Bunson in 1994 and published by Facts on File, is a detailed depiction of the history of the Roman Empire. This work, of roughly 494 pages (a 2002 revised version containing 636 pages) stores more than 2,000 entries.
US Hardcover revised edition (July 2002), published by Facts on File: ISBN 0816045623
the book gives the reader many useful information about the life and decay of Rome, bringing us through an interesting voyage in time and allowing us to discover more on this ancient civilization.
Bunson, Matthew. Encyclopedia of the Roman Empire. New York: Facts on File, 2013.