William Blake's The Four Zoas is one of the most challenging poems in the English language, and one of the most profound. It is also one of the least read of the major poetic narratives of the Romantic period. Spiritual History presents a much-needed introduction to the poem, but it will also be of great interest to those already familiar with it. The first full-length study to examine in detail Blake's numerous manuscript revisions of the poem, Spiritual...