The Science of Being Well by Wallace D. Wattles
A self-help guide focused on achieving health through positive thinking and mind-body harmony. Wattles emphasizes the power of thought, gratitude, and visualization, presenting a metaphysical approach to wellness and the idea that mental states influence physical health.

Wallace Wattles (1860–1911) was an American author and pioneer of the New Thought movement. His most famous work, The Science of Getting Rich, explores wealth creation through positive thinking, visualization, and self-belief. His ideas on prosperity and the power of thought influenced later personal development literature.