The original manuscript of these diaries, which present an eye-witness record of historical events in the worlds of art and music at the turn of the century, lay unread in the library of an American university until Antony Beaumont read it in search of the truth about Mahler-Werfel and Zemlinsky. But he found more: an account, in intimate detail, of the four years during which Mahler-Werfel grew from adolescence into womanhood.