Complex sentence: Later books included "The Rubaiyat of Omar Khayyam", using images of skeletons and animated pots, one of which made its way onto the cover of a Grateful Dead album in 1966, and in later compilations.
Split into simpler sentences: Later books included "The Rubaiyat of Omar Khayyam", using images of skeletons and animated pots. One of the former made its way onto the cover of a Grateful Dead album in 1966, and in later compilations.