Here is a list of books about Russia or by Russian authors. I’ve read about 1/3 so far.
Peter the Great: His Life and World by Robert K. Massie
The House of the Dead: Siberian Exile Under the Stars by Daniel Beer
One Day in the Life of Ivan Denisovich by Aleksandr Solzhenitsyn
Notes from Underground by Fyodor Dostoevsky
Crime and Punishment by Fyodor Dostoevsky
Russia: A 1000 Year Chronicle of the Wild East by Martin Sixsmith
The Black Russian by Vladimir Alexandrov (Goodreads Author)
The Tsar’s Last Armada: The Epic Journey to the Battle of Tsushima by Constantine Pleshakov
The Romanovs: 1613-1918 by Simon Sebag Montefiore (Goodreads Author)
The Family Romanov: Murder, Rebellion, and the Fall of Imperial Russia by Candace Fleming (Goodreads Author)
Catherine the Great: Portrait of a Woman by Robert K. Massie
Stalin: The Court of the Red Tsar by Simon Sebag Montefiore (Goodreads Author)
Red Famine: Stalin’s War on Ukraine, 1921-1933 by Anne Applebaum
The Rasputin File by Edvard Radzinsky
The Death of Ivan Ilych by Leo Tolstoy
The First Circle by Aleksandr Solzhenitsyn
The Idiot by Fyodor Dostoevsky
The Brothers Karamazov by Fyodor Dostoevsky
The House of the Dead by Fyodor Dostoevsky
Stalingrad: The Fateful Siege, 1942–1943 by Antony Beevor
Sakhalin Island by Anton Chekhov
Nicholas and Alexandra by Robert K. Massie
The Gulag Archipelago, 1918-1956: An Experiment in Literary Investigation I-II
by Aleksandr Solzhenitsyn
The Gulag Archipelago: 1918-1956: An Experiment in Literary Investigation III – IV
by Aleksandr Solzhenitsyn
The Gulag Archipelago, 1918-1956: An Experiment in Literary Investigation V-VII
by Aleksandr Solzhenitsyn