From the back of the book:
The mighty Mon Calamari Cruisers are the cornerstone of the Rebel fleet, and the key to victory over the massive Imperial Navy. These powerful starships are supplied by the citizens of Calamari, a planet entirely loyal to the Alliance - at least on the surface.
64-page book features:
-An action packed thriller pitting the Rebels against a hidden enemy.
-Detailed maps and diagrams of a Doomed Quarren city.
-An opening adventure script which sets up the mood and feel of the Star Wars movies.
-Special Bonus: Quarren Profile Book