docs: def orderbook_for_stock(self, stock):
          """Get the orderbook for a particular stock.
  
          https://starfighter.readme.io/docs/get-orderbook-for-stock
          """
          url_fragment = 'venues/{venue}/stocks/{stock}'.format(
              venue=self.venue,
              stock=stock,
          )
          url = urljoin(self.base_url, url_fragment)
          return self.session.get(url).json()