The image displays a digital icon of a book cover. The book cover is predominantly gray with a white square in the center. Inside the white square, there is a stylized representation of a mathematical integral symbol, which is a common symbol in calculus. The integral symbol is white with a black outline, and it is centered within the white square. The overall style of the image is minimalist and modern, with a focus on geometric shapes and simple colors. The image does not contain any text or additional graphics.