I. "Breath is Life"  
II. The Master-Key of Creation 
III. How to Gain the Master-Key 
IV. How to Use the Master-Key 
V. The Evolution of the Tattvas 
VI. The Universality of the Tattvas 
VII. More About the All-Pervading Tattva: Akasha  
VIII. The Specific Influence of the Tattvas …  
IX. Tattvic Influences : Tejas, the Fire of Life . .  
X. Happiness Vibrations : Apas and Prithivi . .  
XI. The Atmospheric Currents of Prana . .  
XII. The Circulation of Prana in our Bodies . .  
XIII. The Manifestations of Prana  
XIV. Planetary Influences upon the Tattvas . .  
XV. The Activities of the Macrocosm in the Microcosm  
XVI. More About Macrocosmic Activities in the Microcosm  
XVII. Mercury and the Activities of the Sushumna  
XVIII. Vital Centers for Concentration 
XIX. The Connection of the Zodiac with Vital