Originally Posted by Dia O'Neil
hrm...i'd stick with the edition listed, sadly enough. with fields like soc and psych and anth, especially, you're going to have lots of new field data and case studies in the newer editions - especially when the publishing dates are five and ten years apart. i know it's painful, but check out amazon and ebay and half.com and you SHOULD be able to find the books for at least slightly less than the cover price.
What iiiiiiif... I needed the 7th editon of a sociology book, and online it's going for $40 (used), yet the 6th edition is $7
ETA: who can we email about bookstore-related queries?