Library management, the subject to which this book is devoted, is the most important component of the vital activity of each library. The modern stage of the library business has a number of features that have highlighted the need for qualitatively new approaches to improve the management of libraries in an electronic environment. The entry of the world community into the information era, political and economic reforms of world reality predetermined a sharp leap in increasing the pace of development and complexity of the library environment. In connection with this, today a greater variety of management systems is required, their potential flexibility, the ability to adapt quickly to both external and internal changes. The increase in the diversity of management systems is at the present stage the main development trend of the library. The urgency of solving this problem in the library sphere is emphasized by the unique role of libraries in social life. In difficult socio-economic conditions, the library is in demand as an organization that respects the principle of the general availability of its information resources; therefore, it can act as a significant factor in overcoming the crisis of modern world reality. Because of this, the concept of managing Library activity should be based on the solution of a key twofold task to preserve the library as a democratic socio-cultural institution that fulfills the most important adaptation mission to many segments of the population and ensure the development of a modern library capable of adapting to a complex and dynamic external environment. Particular importance in connection with the dynamism and uncertainty of the library environment is the study and implementation of management. Library management is a type of management that corresponds to the modern features of library development, since it allows us to determine accurately strategic positions in dynamically changing conditions based on studies on