The book "Professional unions in the civil society system", created by the team of authors, is a deep and multifaceted study of the role and importance of trade unions in the modern world. This work is a real guide to a complex and multi-layered topic that reveals not only the historical roots and evolution of trade unions, but also their current functions, challenges and prospects for development in a dynamically changing civil society. The book focuses on the importance of trade union organizations as one of the key elements of civil society, ensuring a balance between the interests of workers and employers, protecting the rights and social guarantees of workers. The authors masterfully show how trade unions act not only as defenders of the interests of their members, but also as active participants in the formation of social policy, contributing to the development of democratic institutions and the strengthening of the rule of law. The book examines in detail the mechanisms of interaction of trade unions with state structures, business and society, as well as analyzes modern challenges, such as globalization, digitalization and changes in labor relations. This book will be a valuable source of information for a wide range of readers - from students and teachers of legal and social sciences to practitioners working in the field of labor relations and civil society. It will be of particular interest to those seeking to understand how trade unions can influence social stability, ensure workers' rights and promote democratic values. For young professionals starting a career in trade union organizations, and for experienced lawyers looking for new ideas and approaches, “Professional unions in the civil society system” will open new horizons of understanding the role of trade unions in the modern world. The style of collective authors is distinguished by analytical depth, logical harmony and a wealth of examples from different countries and historical eras. The book traces not only theoretical foundations, but also practical cases, which makes it especially valuable for those who want not only to understand the theory, but also to apply the knowledge gained in practice. The authors are not afraid to raise sensitive topics - from conflicts and crises within trade union movements to their role in the struggle for social justice and equality. Their approach is not a dry academic discussion, but a lively and fascinating narrative that encourages reflection and stimulates the desire to participate in the formation of civil society. The book "Professional unions in the civil society system" deservedly occupies an important place in modern scientific and practical literature. It demonstrates that trade unions are an integral part of the democratic mechanism, capable of influencing social transformations and protecting the interests of workers in the face of global changes. For those who appreciate in-depth analysis, topical topics and a pragmatic approach, this work will become an indispensable source of knowledge and inspiration. Reading it will help to understand how trade unions can become a powerful tool for building a just and sustainable society, where human rights and social justice come first.