You can buy a Kings of Leon cd on Amazon.
link
It works like this:
Click on the link and then search for 'Kings of Leon' in the search area on the top of the page.
Click on the cd you'd like to order.
Click 'add to shopping cart' (on the right of the page) and follow the instructions.
It might be best to ask your parents for help. At least check with them before buying :)
Hope this helped, have fun!
