"Thought-Force in Business and Everyday Life" by William Walker Atkinson is a book that explores the power of thoughts for success and personal development. Published in 1900, it offers practical guidance on using the mind to overcome challenges, make decisions, and achieve goals. Atkinson emphasizes positive thinking, visualization, and the law of attraction. The book provides exercises and techniques to develop mental focus and concentration. It highlights the importance of a positive mental attitude and aligning thoughts with desired outcomes. Overall, it is a practical guide to harnessing the power of thoughts in various aspects of life.