The book "Problem: Arguments in favor of Sinn Féin" by Lector is a study of the political views and activities of the Irish political party Sinn Féin. The book analyzes in detail the history of the formation of the party, its ideology and influence on the modern Irish political scene. The author conducts a comparative analysis of Sinn Féin's program and activities with other political forces in the country, reveals the key moments of its history and notes the achievements and problems faced by the party. The book is a valuable resource for anyone interested in Irish politics and general issues of political party involvement in public policy making.