his first book, What All the World's A-Seeking, 1896). For these authors, the law of attraction is concerned not only about health but every aspect of life. The 20th century saw a surge in interest in the subject with many books being written about it, amongst which are two of the best-selling books of all time; Think and Grow Rich (1937) by Napoleon Hill, The Power of Positive Thinking (1952) by Norman Vincent Peale, and You Can Heal Your Life (1984) by Louise Hay. The Abraham-Hicks material is based primarily around the law of attraction. In 2006, the concept of the law of attraction gained renewed exposure with the release of the film The Secret (2006) which was then developed into a book of the same title in 2007. The movie and book gained widespread media coverage. This was followed by a sequel, The Power in 2010 that talks about the law of attraction being the law of love. The revived and modernized version of the law of attraction is known as manifestation. Descriptions Proponents believe that the law of attraction is always in operation and that it brings to each person the conditions and experiences that they predominantly think about, or which they desire or expect. Charles Haanel wrote in The Master Key System (1912): Ralph Trine wrote in In Tune With The Infinite (1897): In her 2006 film The Secret, Rhonda Byrne emphasized thinking about what each person wants to obtain, but also to infuse the thought with the maximum possible amount of emotion. She claims the combination of thought and feeling is what attracts the desire. Another similar book is James Redfield's The Celestine Prophecy, which says reality can be manifested by man. The Power of Your Subconscious Mind by Joseph Murphy, says readers can achieve seemingly impossible goals by learning how to bring the mind itself under control. The Power by Rhonda Byrne and The Alchemist by Paulo Coelho are similar. While personal testimonies claim the secret and the law to have worked for them, a number of skeptics have criticized Byrne's film and book. The New York Times Book Review called the secret pseudoscience and an "illusion of knowledge". Philosophical and religious basis The New Thought concept of the law of attraction is rooted in ideas that come from various philosophical and religious traditions. In particular, it has been inspired by Hermeticism, New England transcendentalism,