Herberto Helder's poetry cannot easily be catalogued under any literary genre, because in each of his books Helder reworks previously used poetic motifs. Every poem that he writes is a transformation of a previous text, which can be his own or that of another writer. The fact that the poet is currently dedicated to the translation of poetry--or what he prefers to call "versions"--is a sign of the textual instability that characterizes all of his works. His biography also reveals a sense of constant change and transformation, which is developed in his Photomaton & vox (1979). In this work he recognizes that "Nada há de mais apaziguador do que ter falhado em todos os lados da biografia" (There is nothing more appeasing than having failed all parts of my biography), and in a straightforward fashion he says that "[a] nota biográfica é: desempregado por dentro e...