This dictionary serves as a comprehensive reference tool designed to define and contextualize the complex terminology, institutions, and historical figures central to the study of global politics. Authored by Alistair McMillan and Iain McLean, the text synthesizes contributions from a team of political scientists to provide clear, academic definitions. It utilizes a structured, alphabetical format to organize concepts ranging from classical political theory to contemporary institutional practices. The work aims to provide a standardized vocabulary for students, researchers, and professionals navigating the political landscape.

Experts and academics frequently cite this work as a foundational resource for students entering the field of political science due to its international scope and clarity. Readers note the high density of information provided in each entry, making it a reliable tool for quick verification of complex political concepts.