""The Stone Of The Philosophers: A Treatise On Alchemy"" by Philalethes, Eirenaeus is a comprehensive guide to the ancient practice of alchemy, which seeks to transmute base metals into gold and to discover the elixir of life. The book is divided into three parts, with the first part discussing the nature of alchemy and its history, while the second part delves into the practical aspects of the craft, including the preparation of materials and the...