Throughout her life, Edna St. Vincent Millay wrote hundreds of letters, which together, create a colorful tapestry of her inner life. This selection, based on archival research, represents Millay’s correspondence from 1900, when she was eight, until 1950, the last year of her life. Through her letters, readers encounter the vast range of Millay’s interests, including world literature, music, and horse racing, as well as her commitment to gender equality and social justice.