Purgatorio, by Dante Alighieri, is part of the Barnes & Noble Classics series, which offers quality editions at affordable prices to the student and the general reader, including new scholarship, thoughtful design, and pages of carefully crafted extras. Here are some of the remarkable features of Barnes & Noble Classics:New introductions commissioned from today's top writers and scholars Biographies of the authors Chronologies of contemporary historical, biographical, and cultural events Footnotes and endnotes Selective discussions of imitations, parodies, poems, books, plays, paintings, operas, statuary, and films inspired by the work Comments by other famous authors Study questions to challenge the reader's viewpoints and expectations Bibliographies for further reading Indices & Glossaries, when appropriateAll editions are beautifully designed and are printed to superior specifications; some include illustrations of historical interest. Barnes & Noble Classics pulls together a constellation of influences?biographical, historical, and literary?to enrich each reader's understanding of these enduring works. Perhaps the greatest single poem ever written, The Divine Comedy presents Dante Alighieri’s all-encompassing vision of the three realms of Christian afterlife.