"The Christian teaching on prayer and its importance in the matter of moral improvement" is a book that examines the importance of prayer in the Christian tradition and its influence on the development of a person's morality and spirituality. The author reveals various aspects of prayer as a means of communication with the Supreme and the development of a person's inner world. The book guides the reader through a historical review of various forms of prayer, teaches its essence and possibilities for self-improvement. In addition, the author emphasizes the practical aspects of implementing prayer in daily life, considering its role in shaping the character and moral values of an individual. This book will be an indispensable source of spiritual wisdom and inspiration for anyone who seeks to grow in spirit and raise their moral level.