Paul Christopher is the pseudonym of a popular thriller writer. His works include Secret of the Templars, Lost City of the Templars, Valley of the Templars, Red Templar, The Templar Legion, The Templar Conspiracy, The Templar Throne, The Templar Cross, The Sword of the Templars, The Aztec Heresy, Rembrandt's Ghost, The Lucifer Gospel, and Michelangelo's Notebook.