The Hour of the Dragon 
Berkley Medallion
Year :
August 1977
Book No. : 0425036081
Edition : 1st
Format : Paperback
Pages : 296
Cover art : Ken Kelly
Illustrations : Vincent Napoli
First Printing
Hour of the Dragon
Fourth Printing
Hour of the Dragon

Other editions:
Science Fiction Book Club

"Foreword" by Karl Edward Wagner
"The Hour of the Dragon"
"Afterword" by Karl Edward Wagner
Contains a fold-out poster of the cover art.
Two original pulp illustrations by Vincent Napoli.
Based on the Berkley/Putnam hardcover edition.
2nd printing - August 1977
3rd printing - ???
4th printing - October 1980, ISBN 0425050432
4th printing has no poster.
The Berkley edition is the first time the verse headings were published with the story.
There are a number of REH letters excerpted by Karl Edward Wagner in the Foreword and Afterword.