"PSS. Volume 84. Letters to S.A. Tolstoy, 1887-1910." - is a unique collection of correspondence between the outstanding Russian writer Leo Tolstoy and his wife Sofia Andriivna Tolstoy from 1887 to 1910. This book collects and publishes letters that testify to the complex and deep relationship between the legendary writer and his wife, and also reveals the inner world of Leo Tolstoy, his thoughts, experiences, faith and doubts. This book allows you to better understand Leo Tolstoy's personality and the dynamics of his relationships with his people, as well as to pay due attention to his literary heritage and development as a thinker.