Select Code to Download

$query = "select id_code, title, author, html_hyperlink, entry_date, i
+sbn, ddc, dewey_class, lcc,book_details, language, physical_descripti
+on, discard_ind from books_main where $sort_by = '$id_code' order by 
+$sort_by";

  
!$db->Sql($query) || Handle_Errors("$current_time couldn't do query: $
+query because " . $db->Error() ,1, $db->Error() . " $? $!",1);
<p> 
...
         $cycle_2         = $data[1]; physical desc data 
         $cycle_3       = $data[2];## language field name 
          ###etc.....