Summary: To mark the 150th year of the birth of Welsh writer Arthur Machen, Three Impostors, a micro publisher based in South Wales, discuss his life, times, work and legacy, which will be celebrated at the Caerleon Festival between 5 and 14 July. http://www.threeimpostors.co.uk/ http://www.caerleon-arts.org/ Originally broadcast on 2nd July 2013.