To everyone striving for success in life, the invariable stumbling block proves to be the turbulent vagaries of the mind. An undisciplined mind makes a man slave and wrecks his life. Controlling and subduing it is the most vexing of problems to the earnest seeker of happiness. The vital importance of the subject, therefore, prompted Swami Sivananda to write this comprehensive work "MIND-ITS MYSTERIES AND CONTROL." It is meant to serve as a valuable guide to all aspirants and it is also of immense help to anyone in any walk of life. Being the outcome of personal experience of the revered author and written with a practical end in view, "MIND-ITS MYSTERIES AND CONTROL" is a treasure worthy to be possessed and studied constantly.