This book investigates the evolving and contested nature of security in contemporary international relations. It examines how traditional understandings of security have been challenged by new threats and how the concept itself has broadened to encompass a wider range of issues beyond military defense.

This book is regarded as a comprehensive and critical overview of the field of security studies. It is noted for its thorough engagement with diverse theoretical perspectives and its broad scope in addressing contemporary security challenges. The work is likely to be of interest to students and scholars seeking a nuanced understanding of how security is conceptualized and practiced in the 21st century.