The Celestine Prophecy is a 1993 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.
One False Move is a novel by author Harlan Coben.
 It is the fifth novel in his series of a crime solver and sports agent named Myron Bolitar.
Robert Brown Parker (September 17, 1932 – January 18, 2010) was an American writer of fiction, primarily of the mystery/detective genre.
 His most famous works were the 40 novels written about the private detective Spenser.
 ABC television network developed the television series "" based on the character in the mid-1980s; a series of TV movies based on the character were also produced.
 His works incorporate encyclopedic knowledge of the Boston metropolitan area.
 The Spenser novels have been cited by critics and bestselling authors such as Robert Crais, Harlan Coben and Dennis Lehane as not only influencing their own work but reviving and changing the detective genre.
 Parker also wrote two other series based on an individual character: He wrote nine novels based on the character Jesse Stone and six novels based on the character Sunny Randall.
 Mr. Parker wrote four Westerns starring the duo Virgil Cole and Everett Hitch.
 The first, Appaloosa, was made into a film with Ed Harris.
James Redfield (born March 19, 1950) is an American author, lecturer, screenwriter and film producer.
 He is notable for his novel "The Celestine Prophecy".
Fade Away is a novel by author Harlan Coben.
 It is the third novel in his series of a crime solver and sports agent named Myron Bolitar.
"Kir'Shara" is the ninth episode of the of the American science fiction television series "".
 It was writer Michael Sussman's third episode of the season, while it was director David Livingston's second.
 The episode was the third in a three-part story arc, following on from the episodes "" and "".
 "Kir'Shara" and the Vulcan arc showed themes relating to the Protestant Reformation resulting in comparisons to books such as "The Da Vinci Code" and "The Celestine Prophecy", while the Kir'Shara itself was compared to the Nag Hammadi library.
The Celestine Prophecy is a 2006 American film directed by Armand Mastroianni and starring Matthew Settle, Thomas Kretschmann, and Sarah Wayne Callies.
 The film is based on James Redfield's best-selling novel of the same name.
Harlan Coben (born January 4, 1962) is an American writer of mystery novels and thrillers.
 The plots of his novels often involve the resurfacing of unresolved or misinterpreted events in the past, murders, or fatal accidents and have multiple twists.
 Among his novels are two series, each involving the same protagonist set in and around New York and New Jersey, and some characters appear in both.
The Tenth Insight: Holding the Vision is the second novel in "The Celestine Series", beginning with "The Celestine Prophecy", by James Redfield.
 It was published in 1996.
Back Spin is a novel by author Harlan Coben.
 It is the fourth novel in his series of a crime solver and sports agent named Myron Bolitar.

Question: Which American author wrote the novel "The Celestine Prophecy", Harlan Coben or James Redfield?
Answer: James Redfield