ISBN 0874311934. Star Wars: The New Republic: Dark Force Rising Sourcebook. A West End Games Book, First Printing: April 1993. First Printing Paperback Edition. This Sourcebook was intended to be a companion volume to Timothy Zahn’s bestselling novel Dark Force Rising and is a Guidebook for use with Star Wars: The Roleplaying Game. Message me about a bundle deal to purchase the 3 guide/source books together that I have listed!