Map of Barcelona and need some info

I just bought my tickets to Barcelona and booked a plane.
Now I would love to get a map of Barcelona and some answers on my questions. Is there anyone that can help me??

I like to know what is the most easy and cheapest way to get to the stadium form the aiport?
Is there something like an underground?
Is the stadium far from the city center?
What ways are there to get back to the city center after the concert?

Any help would be nice!

i'm not from barcelona, but i can give you some advices:

* the airport is located in 'el prat de llobregat', which is around 20 km from barcelona, so i think it should be a bus to arrive to bcn. once in bcn, you should go to 'plaza de españa' ('spain square' in english)

* in 'plaza de españa' there are some buses that can take you to the 'palau sant jordi'. this stadium is on the top of a montain, so buses go directly to it, and subway gets to the begining of the mountain. anyway, you can go by feet from here, but i think it's long.

* it's not near the city centre, but bcn is not a big city (at least, not as big as london or paris).

* how to get back? mmmm, maybe a taxi will be the best solution, as the concert will end late, and i'm not sure if you can do the same way of arrival at that times...

i hope this helps!

c ya

i forgot one more thing...

thanx for the map
I'm so exited, It's the first I will se BJ

I camped at a site right next to the airport at El Prat. To get to Barcelona city centre I just took the regular bus. It was all one fare, no matter how far you went, I cant remember how much the bus was, maybe 250 pesetas or so.

250 ptas = 1.5 euros.