In this book author explains that thought vibrations are as real as those manifesting as light, heat, magnetism and electricity. The difference is in the vibratory rate which also explains the fact that thought vibrations cannot usually be perceived by our five senses. Hindu-Yogi Science Of Breath is a Complete Manual of The Oriental Breathing Philosophy of Physical, Mental, Psychic and Spiritual Development. Rhythmical breathing brings oneself into harmonious vibration with nature to maintain vitality, freedom from disease and increased resistance. Ones mental power, happiness, self-control, and even spiritual growth will be increased with greater understanding of the "Science of Breath."