James Redfield, The Celestine Prophecy, 1994
The Celestine Prophecy: An Adventure is a 1994 novel by James Redfield that discusses various psychological and spiritual ideas rooted in multiple ancient Eastern traditions and New Age spirituality. The main character undertakes a journey to find and understand a series of nine spiritual insights in an ancient manuscript in Peru. The book is a first-person narrative of the narrator's spiritual awakening as he goes through a transitional period of his life. [Source]