Mind Power: The Secret of Mental Magic by William Walker Atkinson
This self-help classic explores the power of thought in influencing reality. Atkinson delves into techniques for harnessing mental energy, visualization, and positive thinking to achieve success, overcome challenges, and unlock hidden potential through the focused power of the mind.

William Walker Atkinson (1862–1932) was an American author and pioneer of the New Thought movement. Writing under multiple pseudonyms, including as part of The Three Initiates in The Kybalion, he explored mentalism, personal magnetism, and success through the power of thought, inspiring self-help and metaphysical literature.