Get node title from nid without using node_load($nid) in Drupal

Get node title without using node_load($nid).

function get_node_title($nid) {
  $node_title = db_select('node', 'n')
      ->fields('n',array('title'))
      ->condition('nid',$nid,'=')
      ->execute()
      ->fetchField();
  return $node_title;
}