Where can i buy halo 1 and 2 for xbox 360? (slim)?

[eberger]

im a big halo fan but i've only played 3, odst, and im waiting for reach. I'm wondering where i can buy halo 1 and 2 because i would like to know the full story before playing reach.

if it makes any differance i have the xbox 360 slim.

5 stars for best answer

 

[UFA32]

game stop you can get them cheap and in good condition