While working on a facsimile edition and transcription of W. B. Yeats's surviving early manuscripts, renowned Yeats scholar George Bornstein made a thrilling literary discovery: thirty-eight unpublished poems written between the poet's late teens and late twenties. These works span the crucial years during which the poet "remade himself from the unknown and insecure young student Willie Yeats to the more public literary, cultural, and even...