Introduction, Roger Manktelow and Jim Campbell; a history of mental health social work in Northern Ireland, Stanley Herron; mental health policy in Northern Ireland, Pauline Prior; mental health policy in the Republic of Ireland, Fred Powell; mental health social work and the law in Northern Ireland, Jim Campbell; mental health social work and the law in the Republic of Ireland, Paul Guckian; community care and the social inclusion of individuals with psychiatric disabilities in Northern Ireland, Roger Manktelow; deinstitutionalization in the Republic of Ireland - a case for redefinition?, Maire Leane and Lydia Sapouna; mental health social work and addictions in Northern Ireland, Barbara Ward; mental health social work and addictions in the Republic of Ireland, Shane Butler; mental health social work with older people in Northern Ireland, Faith Gibson; mental health social work with older people in the Republic of Ireland, Janet Convery.