Unknown letters from N.N. Pushkina and her sisters E.N. and A.N. Goncharovs, collected by the authors of the book, allow us to better understand and appreciate the personality of the poet’s wife, help us take a fresh look at her sisters, and feel the situation in the poet’s family and those around him in the last years of his life, clarify and supplement the already known facts of the biography of A. S. Pushkin. All letters are published in full, 16 of them for the first time. The book is equipped with short biographies of the main characters, their portraits, as well as an introductory article by D. Blagoy.