It reprints, on facing pages, the version of "The Prelude" was was completed in 1805, together with the much-revised work published after the poet's death in 1850. In addition the editors include the two-part version of the poem, composed 1798-99. Each of these poems has its distinctive qualities and values; to read them together provides an imcomparable chance to observe a great poet composing and recomposing, through a long life, his major work.