A powerful and cinematic book cover illustration. A vast, dark, turbulent river Volga flowing under a brooding, stormy sky with streaks of crimson and deep violet sunset light. In the foreground, the silhouette of a weathered, wooden rowing boat partially submerged in the reeds. The composition is focused on the moody textures of swirling dark water and mist. Style is expressive oil painting with thick brushstrokes, blending dark romanticism and brutalist aesthetic. The color palette includes deep midnight blue, charcoal gray, blood red, and muted ochre. High contrast, atmospheric lighting, moody, dramatic, professional artistic execution, square format, no text, no letters, no words.