Listing 3. Adding Amazon Information <% require 'cgi' %> <% require 'net/http' %> <% require 'rexml/document' %> <% cgi = CGI.new %> <% isbn = cgi['isbn'] %> Where you can find used copies of ISBN <%= isbn %>

Here is your map

Your cities

<% final_list.each do |city| %> <% end %>
City Longitude Latitude
<%= city['city'].gsub(",", ", ") %> <%= city['longitude'] %> <%= city['latitude'] %>