From the publisher's website:
NEW from Star Wars® Roleplaying Games - Rebellion Era Campaign Guide! Delve into the war between the Rebel Alliance and the Galactic Empire like never before! This book includes in-depth information on the Rebellion, its members, its enemies, and many other facets of the era covered by the classic Star Wars trilogy.
This sourcebook helps Gamemasters plan out adventures and campaigns during the most popular era of the Star Wars universe, and puts players in the roles of heroes fighting alongside Luke Skywalker, Han Solo, and Princess Leia!
* New options for heroes; new weapons, armor, and ships; adventure hooks to let players take either side of the conflict
* Covers the classic Star Wars trilogy, including books, comics, and video games for the time period
* In-depth look at the Rebel Alliance, its organization, personnel, and equipment
* Expanded options for Saga Edition Core Rulebook