William Walker Atkinson 
Clairvoyance and Occult Powers 

Clairvoyance and Occult Powers by William Walker Atkinson is an important work in the field of New Thought philosophy. It provides a detailed exploration of metaphysical concepts such as the law of attraction, karma, and psychic energies. Through his analysis, Atkinson argues that individuals have the capacity to access hidden mental powers through introspection and meditation. He also emphasizes that these powers are part of our natural human inheritance, and can be cultivated and developed with practice.