From the cover:
"Ever want to know how a lightsaber works, where the Twi'lek homeworld is, and how many TIE fighters are on a Star Destroyer?
The Star Wars Sourcebook can help you discover all the technical and natural wonders of the fantastic Star Wars saga. The Star Wars universe is filled with sleek starfighters that clash with kilometer-long Imperial Star Destroyers, armor-clad stormtroopers battling desperate Rebels, bizarre aliens, devastating weapons, amazing droids, courageous heroes and cunning villains. Stories, maps, charts and illustrations help explain how the Star Wars galaxy works: from lightsabers, the elegant Jedi weapon, to repulsorlifts. You'll also find plans for an X-Wing fighter, a Rebel base, a Imperial garrison, and the blueprints of the Millenium Falcon!
All game statistics have been updated to Star Wars: The Roleplaying Game, Second Edition"