Its approach is literally elemental, tracking Shelley's "quest for truth through the steadily rarefying elements of earth, water, air and fire" and aims to answer the questions he asked of himself: "Whence I came, and where I am, and why." Wroe, virtually re-inventing the genre, reveals that sometimes, as her subject said, "poetry is the record of the best and happiest moments of the happiest and best minds."