The book "Russian River in the Seven Moons Valley" about the history of the Russian presence in California, the southernmost point of Russia's movement to the East. A visit to San Francisco by the great Russian pioneering diplomat Nikolai Rezanov, his meeting with the beautiful Conchita; the Russian immigrants of post-revolutionary California; Russian Hollywood stars Natalie Wood and Yul Brynner; immigrants of the second, post-war wave and period of perestroika. The author managed to talk with representatives of Russian immigration of all three waves, despite the fact that he heard the story of Russian Californians of the post-revolutionary period directly from their relatives and descendants.