www.theforce.net) 
 Yep, that's it. You can find a timeline there and an encycolpedia. They are both huge! The timeline alone is over 600 pages long
 and I think the encyclopedia is even larger. 
 I think the timeline is the best source to use while making scenarios; it puts everything (well alot) ever written or produced about star wars, and puts it in the right place in time.  
 Need I say more? check it out!