This new critical volume, the second to appear in the three-volume <I>Lectura Dantis, </I>contains expert, focused commentary on the <I>Purgatorio </I>by thirty-three international scholars, each of whom presents to the nonspecialist reader one of the cantos of the transitional middle cantica of Dante's unique Christian epic. The cast of characters is as colorful as before, although this time most of them are headed for salvation. The canto-by-canto commentary allows each contributor his or her individual voice and results in a deeper, richer awareness of Dante's timeless aspirations and achievements.