The Wakefield Show was advertised on local radio and local papers. Plus flyers via exhibitors in the past. we have also had it advertised on local event websites and in at least TWO National newspapers - Times and Guardian if I remember correctly.
As for Castle attending the Roadshow, if I remember correctly Paul asked for interested parties to get in touch. So either they are not interested or possibly they can not manage those dates or even they are waiting for more confirmed locations and staff availablity. It would be very useful if people did not assume things they do not know.....
But that I suppose would spoil things for some people!