```ruby
require 'open-uri'
require 'hpricot'
html = open('http://www.amazon.com/Nick-Hornby-and-Company/lm/1X1GGDBXARHZ6/ref=cm_lm_toplist_fullview_1')
page = Hpricot(html)
xpath = "td[@class='listItem']//input[@name='asin.1']"
page.search(xpath).each do |book|
puts book['value']
end
```