A moody, atmospheric digital painting for an audiobook cover. The central image is a lone, weathered wooden rowboat adrift on a vast, turbulent ocean under a dramatic, stormy sky. Dark, churning waves with hints of foamy white crests dominate the foreground and middle ground, suggesting danger and unease. The sky is a gradient of deep indigo, bruised purples, and ominous greys, with a single, weak shaft of pale light breaking through a distant cloud bank, hinting at a sliver of hope but emphasizing isolation. The overall color palette is desaturated and cool, leaning towards blues, greys, and deep greens, with subtle touches of muted ochre in the boat. The composition should convey a sense of isolation, vulnerability, and immense natural power. The perspective should be slightly elevated, looking down at the boat on the water, creating a feeling of being small against a grand, unforgiving backdrop. The style should be painterly, with visible brushstrokes adding texture and depth, evoking a sense of artistic gravitas. Square 1024x1024 format. Absolutely no text or logos.