In the world of art, anything and everything can be your canvas. Recently, the University of Iowa discovered a four-volume set of books from 1837. These books contain ‘fore-edge paintings’ – works of art that can only be revealed when you fan the pages part-way open.
Fore-edge paintings go as far back as the 10th century, often depicting symbolic designs.
Later on around 1750, the subject matter changed to landscapes, portraits, and religious scenes.
Many of these paintings can be viewed online through the Boston Public Library. They have a collection of 258 paintings, one of the larger collections in the US.