The concept of book spine poetry appeared in 1993 with Nina Katchadourian’s Sorted Books project. Katchadourian began collecting interesting titles and arranging them in clusters so the spines could be read like a sentence(s) or poem.
Brida, Before I Say Good-Bye, I’ll Be Seeing You, On the Street Where You Live.
There’s a Spine Poetry Group on Facebook. You can check it out here.