POLITICAL PARTIES AND IDEOLOGIES IN CANADA: LIBERALS, CONSERVATIVES, SOCIALISTS, NATIONALISTS Colin Campbell and William Christian. 2d ed. Toronto, McGraw-Hill Ryerson, c1983. (McGraw-Hill Ryerson Series in Canadian Politics). 247pp, paper, $10.95. ISBN 0-07-548575-3. Post-Secondary. Reviewed by Louise Dick. Volume 11 Number 6. 1983 November. In a complete reworking of the 1974 edition, the authors have included events through 1982 while retaining the original framework. From the premise that the "brokerage theory" (political parties as balancing competing interests) cannot by itself explain Canadian political life, the authors analyse Canadian politics in terms of ideological diversity. They use "ideology" to comprise not "extreme doctrines" but the familiar elements of liberalism, toryism, socialism, and nationalism. After tracing the historical development of these ideologies as they adapt to the Canadian setting, Christian and Campbell examine each of the four in terms of alignment within political parties and impact on such issues as the constitutional debates of 1981. They find liberalism, with its emphasis on individuals and their liberty, to be the most important strain, encompassing both "business liberalism" and "welfare liberalism." For the future, they suggest possible "simplification" or "realignment" of ideologies within political parties. While political ideologies are deemed to be inadequate as the sole mode of interpretation, they are termed essential as "part of the world of political experience." Theoretical content and assumption of historical and political background make this work better suited to university than to secondary school students. A select bibliography lists sources by topics; the index includes both topical and personal listings. Louise Dick, Branksome Hall School, Toronto, ON.