def get_kindle_sales(cs_user,cs_pass)
  session = Mechanize.new
  session.user_agent_alias = 'Mac Safari'
  session.get 'https://www.amazon.com/ap/signin?openid.assoc_handle=amzn_dtp&openid.identity=' #...etc.
  form = session.get('https://www.amazon.com/ap/signin?openid.assoc_handle=amzn_dtp&openid.=' + # ...etc.
     '...').form_with(:name => 'signIn')
    params = {'email' => cs_user,  'password' => cs_pass}
    %w(appActionToken appAction openid.pape.max_auth_age openid.ns).each do |field| # there's more, actually
      params[field] = form[field]
    end
    session.post('https://www.amazon.com/ap/signin', params)
    response = session.get('https://kdp.amazon.com/self-publishing/reports/transactionReport?_=1326589411161&previousMonthReports=false&marketplaceID=ATVPDKIKX0DER')
    # note non-RESTful concept of "previousMonthReports" in URI
    hash = JSON.parse(response.body)
    kindle_units = hash['aaData'][0][5]
end