# File lib/amazon/ecs.rb, line 88
    def self.item_search(terms, opts = {})
      opts[:operation] = 'ItemSearch'
      opts[:search_index] = opts[:search_index] || 'Books'
      
      type = opts.delete(:type)
      if type 
        opts[type.to_sym] = terms
      else 
        opts[:keywords] = terms
      end
      
      self.send_request(opts)
    end