Roger Bacon is known for his many works, dealing not only with chemical matters but grammar and optics as well. This particular work revolves around the use of alchemy in medicine, specifically the use of antimony and lead. This would directly inform later works such as "A work of Saturn" by Hollandus. The use of malleable, antimonial compounds in medicine would continue for centuries, and according to Roger Bacon it is this universal elixir which comprises the highest tier of the alchemical art.

In ancient times it is believed that a legendary Emerald Tablet existed, one that was said to contain an encoded message written by Hermes 'the father of philosophers' himself. It contained the words of direction known as 'the operation of the Sun', that if one followed with accuracy the method described, that individual would obtain the glory of the whole world, the power of power, wisdom that could not be limited by any obscurity, and the ability to overcome any subtle or great matter. There is a catch however, to obtain it, one must first understand it. It was a riddle and the key to...