""An Authentic and Complete History of the Ancient and Mystical Order of Rosae Crucis"" is a book written by H. Spencer Lewis that delves into the history of the Rosicrucian Order, a secret society that emerged in Europe during the 17th century. The book provides a comprehensive overview of the origins of the order, its teachings, and its influence on various aspects of Western history, including science, philosophy, and art. It also explores the...