�How to Use the Power of Prayer� is a book by Joseph Murphy. He wrote more than thirty books and is most famous for �The Power of Your Subconscious Mind,� which became an immediate bestseller. Murphy was acclaimed as one of the best self-help book writers. This book conveys that you can have whatever you desire, all you have to do is ask. It emphasizes on believing that your prayers are answered and that prayers are packed with a mysterious power that gives you what you ask for.