Elżbieta Szyszlak, PhD with habilitation in Political Sciences, Associate Professor at University of Wrocław. Rafał Wiśniewski, is Associate Professor at the Cardinal Stefan Wyszyński University in Warsaw. Radosław Zenderowski, full professor in Cardinal Stefan Wyszyński University in Warsaw.

The way sociology frames the relation between formality and informality has changed. The book proposes a typology: the sociology of informally embedded formality, the sociology of formally embedded informality, the sociology of the interaction between formality/informality and the sociology of the emergence and transformation of formality/informality.