Book excerpt: Canadian Parties in Transition examines the transformation of party politics in Canada and the possible shape the party system might take in the near future. With chapters written by an outstanding team of political scientists, the book presents a multi-faceted image of party dynamics, electoral behaviour, political marketing, and representative democracy. The fourth edition has been thoroughly updated and includes fifteen new chapters and several new contributors. The new material covers topics such as the return to power of the Liberal Party, voting politics in Quebec, women in Canadian political parties, political campaigning, digital party politics, and municipal party politics.