The letters of Mary Baker Eddy to Augusta E. Stetson, written between 1889 and 1909, are transcribed and reproduced from the Manuscript Collection in The Huntington Library, San Marino, California. This priceless collection of letters, written over a period of twenty years, breathes the spirit of genuine Christian Science, and reveals Mary Baker Eddy's love for her "best beloved" student, Augusta E. Stetson. Color portrait.