* The War Against the Family (1992): A critical analysis of modern social policies, arguing that they erode the traditional family structure and promote dependency on the state.
* The Great Unravelling: The Decline and Fall of the Liberal Order (2000): An analysis of the decline of the Western world's political and social order, emphasizing the role of social welfare programs and declining moral values.
* The Trouble with Canada (2003): A critique of Canadian social policy and its impact on individual liberty and economic prosperity.
* The End of Our World: The Decline of the West and the Rise of Islam (2006): A controversial book that examines the perceived threat of Islam to Western civilization.
Gairdner also authored several other books and articles on economics, politics, and social issues. His work is generally characterized by a conservative perspective and a focus on the importance of individual liberty and limited government.
If you are referring to a different William D. Gairdner, please provide more context about his writings.