At any Lego Store
No, It is shipped to your house.
As far as I know, only the online Lego store at shop.lego.com.
You can, but most people buy it online.
You get LU by ordering the software online or buying it in person from a Lego store or other retailers. Install the software, create a Lego ID, and log in to the game. Or, now, you can download the free to play Lego Universe from their site.
you can download it for free here http://www.megaupload.com/?d=UE9Y1FF8 then use winrar to extract it
You will have to download Lego universe if you have access to it.
Lego Universe does not have a theme song.
Lego Universe happened in 2010.
you have to read the rank 2 book from your special faction store.
there are many and you can only use them once, buy them at a store or online
There are about 40 levels in Lego Universe.