Table of contents: Issue dimensionality and party competition in turbulent times. Jan Rovny and Stephen Whitefield. New wine in old bottles: Explaining the dimensional structure of European party systems. Jan Rovny and Jonathan Polk. Embedding integration: How European integration splits mainstream parties. Stephen Whitefield and Robert Rohrschneider. Economic internationalization and the decline of the left–right dimension. Emiliano Grossman and Nicolas Sauger. Economic performance and center-periphery conflicts in party competition. Sergi Pardos-Prado and In˜aki Sagarzazu. Sweeping it under the rug: How government parties deal with deteriorating economic conditions. Catherine E De Vries and Hector Solaz. Immigration, Euroscepticism, and the rise and fall of UKIP. Geoffrey Evans and Jonathan Mellon. Book reviews: Coping with Complexity: How Voters Adapt to Unstable Parties. Dani Marinova, reviewed by Bartek Pytlas. Insecure Majorities: Congress and the Perpetual Campaign. Frances E Lee, reviewed by Bruce Larson. Split-Ticket Voting in Mixed-Member Electoral Systems: A Theoretical and Methodological Investigation. Carolina Plescia, reviewed by Julian Bernauer. Social Media, Parties, and Political Inequalities. Kristof Jacobs and Niels Spierings, reviewed by James Dennis. Electoral Dynamics in Indonesia: Money Politics, Patronage and Clientelism at the Grassroots. Edward Aspinall and Mada Sukmajati (eds), reviewed by Dirk Tomsa.