gistfile1.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'
require 'amazon/aws/search'
require 'erb'


hatena_template = <<-EOT
*** <%= book.item_attributes.title %>
ASIN:<%= book.asin %>:detail
<a href="http://www.amazon.com/dp/<%= book.asin %>">Amazon.com</a> での平均評価 [<%= rating %>] (<%= total_reviews %> reviewers)

EOT
erb = ERB.new(hatena_template)


doc = Nokogiri::HTML(open('http://www.joltawards.com/finalists.html'))
titles = doc.xpath('//li/em').map {|em| em.text }

rg = Amazon::AWS::ResponseGroup.new('Large')
req = Amazon::AWS::Search::Request.new('### YOUR AccessKeyId ###')
req.locale = 'us'

titles.each do |title|
  is = Amazon::AWS::ItemSearch.new('Books', {'Title' => title })
  res = req.search(is, rg)
  book = res.item_search_response[0].items[0].item[0]
  rating = book.customer_reviews.average_rating
  total_reviews = book.customer_reviews.total_reviews
  puts erb.result(binding)
end