Proletarian Lives: Routines, Identity, and Culture in Contentious Politics. By Marcos E. Pérez. New York: Cambridge University Press, 2022. 300p. $110.00 cloth.

citizens to be, nor does it seek to do so. But it presents a number of empirical regularities to show that deep involvement is in tension with other normatively appealing ideas, such as political equality, compromise, and a belief in pluralism. It is hard to imagine after reading this book that one could take any study of polarization seriously that does not account for variation in political involvement. Theoretically rich and deploying multiple methods, this book will be necessary reading for graduate students, and is written accessibly enough to engage upper-level undergraduates.