The image shows four books of different colors - green, yellow, blue, and red. The books are arranged in a row, with the green book on the left, the yellow book in the middle, the blue book at the bottom, and the red book on top. Each book has a white label on the cover with a small square in the center. The image appears to be an illustration of a stack of books.
User zenaerriv uploaded the image
User zenaerriv uploaded the image
