"What is art?" is the key work of the outstanding Russian writer Leo Tolstoy, in which he expresses deep thoughts about the essence of art and its role in society. The author considers art as a means of expressing the artist's inner worldview, his connection with the viewer and his influence on society. Tolstoy draws attention to the most important aspects of art, such as beauty, truth, justice and morality. This book will help to consider art in a new light and will add to the idea of its importance in human life.