"A visually striking book cover for a solar power guide. The design features a radiant sun rising over a rooftop covered in sleek solar panels, casting a warm glow. In the background, a clear blue sky transitions into soft golden hues, symbolizing energy and sustainability. Bold, modern typography for the title stands out at the top, with clean and minimalistic font for the subtitle below. The overall aesthetic is professional, inspiring, and eco-friendly, emphasizing the power and potential of solar energy."