Where can i order an issue of allure magazine?

the may 2008 issue of allure magazine with hillary duff on the cover, does anyone know where i can get it. there is a photo in that magazine that i really have to see and its important that i get that issue. does anyone know where i can order it online or what type of stores have it, i live in nyc co i can look for any stores that might have it, thank you for your help