This is the only bilingual edition that brings together the poems Manfred and Caín in a single book.

Manfred (1817) and Cain (1821) are the manifestation of the rebellion, moral subversion and intellectual restlessness of Lord Byron, who in line with romantic assumptions, but from a very particular perspective, overturns boredom and laughter in his poems. uneasiness caused by the society in which he lives. The so-called "satanic poems" evoke a lament for the loss of innocence, as well as for the consequences that this loss entails; a lament for a past plenitude and serenity that have not been preserved, and above all a protest before an arbitrary and unfair universe, which ends up transcending the characters themselves and opening a unique space of metaphysical concern, which precedes existentialisms philosophical of later decades.

This edition offers the original English text and a metric translation into Spanish of the Manfred and Cain poems, as well as a chronology and supplementary appendices that collect a discarded version of Manfred's Third Act, Byron's fundamental Alpine Diary, and William's response. Blake to Cain. All this in a single volume that constitutes an essential work for lovers and students of romantic literature.