written by Alex Frith... [et al.] written by Alex Frith...[et al.] written by Alex Frith [etc.] written by Adam Bray ... [et al.] written by Alex Howard...[et al.] written by Carolyn Bain ... [et al.] written by Adam Bray...[et al.] written by Andrew Bain... [et al.] written by Jerry Smath ... [et al.] written by Jerry Smath...[et al.]