This second edition is based on the authoritative texts chosen by the editors from their scholarly edition of ''The complete Poetry of Percy Bysshe Shelley''. Each selection has been re-edited, and the order of the poems re-arranged, inlight of re-dating or other reconsiderations. All headnotes are new or updated and many footnotes have been added, replaced or revised. The ''Criticism'' section reflects the recent renaissance in Shelley studies, the greatest renaissance since 1870-92. All 23 essays are new to the second edition, amongst which include the work of: Harold Bloom, Stuart Curran, Annette Wheeler Cafarelli, Michael Ferber, James Chandler and Susan J. Wolfson. A chronology and updated selected bibliography and an index of titles and first lines are also included.