Meet the AuthorHelen Castor, Joan of ArcBBC News Duration: 15 minutesFirst broadcast: Thu 25th Sep 2014, 19:45 on BBC NewsLatest broadcast: Thu 25th Sep 2014, 19:45 on BBC News Channel HDNick Higham talks to Helen Castor, whose book Joan of Arc is a biography of the 15th-century French heroine.ContributorsPresenter:Nick HighamInterviewed Guest:Jack HigginsInterviewed Guest:Nick WardInterviewed Guest:Tim ButcherInterviewed Guest:Terry PratchettGenresNewsFactualArts, Culture & the MediaArtsBrandMeet the Author Source: BBC Online