Who tells you who you are? This is what Sasha Marianna Salzmann explores in her debut novel "Out of Oneself," along with the insatiable longing for life itself and its challenging boundlessness. Intensely, uncompromisingly, and in the best sense politically. They are two from the very beginning, the twins Alissa and Anton. In a small two-room apartment in post-Soviet Moscow, they cling to each other's curls when their parents clash. Later, in the West German province, they roam the hallways of the asylum home, stealing cigarettes from the rooms of foreign families. And even later, when Alissa has already dropped out of her mathematics studies in Berlin because it interferes with her boxing training, Anton disappears without a trace. At some point, a postcard arrives from Istanbul - without text, without a sender. In the shimmering, torn city on the Bosporus and in their own fa.