Fortress Fremantle: Its Lost Sub & Contribution to World War IIIn 2010 Tim commenced as a tour guide with the Rottnest Volunteer Guides Association. In the course of his duties he discovered aspects of Western Australia's past, particularly about the Port of Fremantle in World War Two, of which he had no idea about, despite having spent so much of his early years in and around the Port. It was this newfound knowledge and his subsequent thirst to continuing researching such history that inspired him to write