import bottlenose
amazon = bottlenose.Amazon(ACCESS_KEY_ID, SECRET_KEY, ASSOC_TAG)
response = amazon.ItemLookup(ItemId='B0018AFK38', ResponseGroup='OfferSummary')
from lxml import objectify
root = objectify.fromstring(response)
root.Items.Item.OfferSummary.LowestNewPrice.FormattedPrice
Amazon API library for Python?