Inos Biffi invites us to a real elevation and conversion of aesthetic taste to grasp the sublime summit of pure poetry in Dante's Paradiso. The third canticle of the Divine Comedy is considered the most difficult, almost the most arid and the most difficult in language. And in fact it transports us to another world, otherworldly, devoid of the visibility and the sensitive outline of the first two canticles, all molded with light, in which the Blessed nest. The volume begins with the understanding of the canticle, illustrating its meaning in the poet's literary and spiritual path and highlighting his theological character. In the Paradiso the Christian mystery appears in his "form": Dante with his poetry embellishes theology, represents it as a song, in its lyric and its aesthetics. Hence Paradiso as a cathedral of light. Dante's cathedral is poetic, made of Christian theology and philosophy, where the theological mystery receives the form of the sacred poem