"After looking for him in the poems, we search for him in the prose. The pursuit of the Other in Pessoa's work is never-ending," writes Edwin Honig. Essential to understanding the great Portuguese poet are the essays written about (and by) his heteronyms--Alberto Caeiro, Ricardo Reis, and Alvaro de Campos--the several pseudonyms under which he wrote an extraordinary body of poetry. In Always Astonished, Pessoa and his several selves debate and...