Diarmaid Ferriter is one of Ireland’s best-known historians and is Professor of Modern Irish History at UCD. On The Edge: Ireland’s Off-shore Islands: A Modern History was published by Profile Books in October 2018. Other recent books are The Border: The Legacy of a Century of Anglo-Irish Politics (2019) and A Nation and not a Rabble: The Irish Revolution 1913-23 (2015). His books include The Transformation of Ireland 1900-2000 (2004), Occasions of Sin: Sex and Society in Modern Ireland (2009) and Ambiguous Republic: Ireland in the 1970s (2012), all published by Profile. He is a regular broadcaster on television and radio and a weekly columnist with the Irish Times. In 2010 he presented a three-part history of twentieth century Ireland, The Limits of Liberty, on RTÉ television.