[written by Jan Astley [et al.] [written by Jan Astley [et al. [written by Jan Astley ...[et al.] [written by Jan Astley ...[et al. [written by Val Warke...[et al.]] written by Dawn Bentley... [et al.] [written by Val Warke...[et al. [written by Fiona Watt ... [et al.] Written by Wang Li, [et al.] written by Alan Cowsill...[et al.]