.DT query_language DW_wibble creator help query_language .SH Name .SP 5 5 query_language - Returns the language of the book .EP .SH Syntax .SI 5 string query_language() .EI .SH Defined in .SI 5 /std/book_dir.c .EI .SH Description .SP 5 5 Returns the language of the book .EP