The book ""Personal Memoirs of H.P. Blavatsky"" by Mary K. Neff is a biographical account of the life of Helena Petrovna Blavatsky, a Russian occultist, philosopher, and author who co-founded the Theosophical Society in 1875. The book is a compilation of personal stories, letters, and other documents that shed light on Blavatsky's life, her travels, her teachings, and her impact on the spiritual and philosophical movements of the late 19th century...