The book divides existence into:
Roohul Kimiya, also known as "The Spirit of Chemistry" or " Ruhul Kimiya", is a renowned book on alchemy and spiritual growth written by Hakim Abu'l-Fazl Gilani, a Persian Sufi saint and alchemist. The book is considered a classic in the field of Islamic alchemy and spiritual development. Many seekers of knowledge and spiritual growth have been searching for a free PDF download of this book.