Protest Parties in Western Europe. Analysis of Political Relevance by Bartłomiej Michalak is a book that deserves attention of wide range of readers, who are willing to deepen their knowledge concerning transformations of contemporary party systems. It is political parties that since nearly two centuries are a phenomenon of European political life. In other parts of the world they bring attention of not only researchers, but also of constantly growing social groups. Today, political life of any society is hard imaginable without parties, its coalitions, contentions and conflicts as well as almost constant presence of parties’ leaders and activists in everyday life of millions of citizens of big metropolis and distant provinces.