2024 Reprint of Three previously published works in one volume. Carey (1845 - 1924) was an American homeopath and occultist known for a number of 1910s Chemistry of Life publications, a subject which he referred to as biochemistry, and particularly for his 1919 publication, The Chemistry of Human Life.

His work was a mixture of religion, astrology, physiology, anatomy, and chemistry, themed particularly with a mineral-based theory of human disease. Carey is popular among homeopathic and new age circles.

In the context of a person viewed as a "human molecule", Carey was the first to state that a person's body is a "chemical formula in operation. "This 3-books-in-one includes:1.

The Chemistry of Human Life: The Biochemic Statement of the Cause of Disease and the Physiological and Chemical Operation of the Inorganic Salts of the Human Organism and Their Chemical Formulas2. The Tree of Life: An Expose of Physical Regenesis on the Three-fold Plane of Bodily, Chemical and Spiritual Operation3.

The Chemistry and Wonders of the Human Body: The biochemic statement of the cause of disease and the physiological and chemical operation of the human organism and their chemical formulas; the human temple; the chemical bridge or link between man and God;. .