Untitled AI art by @Bombi

The image shows the design of a book back cover and the spi. Back cover: Minimalist and contrasting design. The figure of a boy looking up at the sky with his arms open. His image occupies a small portion of the image, located at the bottom. Art Nouveau style: fine lines, ornamentation, and fluid lines. Monochromatic palette (black/white) with moderate contrast, adding a touch of gold to a small ornament on his clothing. A moderately dark background highlights the figure. Emphasize details in the clothing and expression toward the sky, blending classic elegance with a mystical air.