* The Black Rose (2004)
* The Hidden City (2006)
* The Secret of the Incas (2008)
* The Treasure of the Templars (2010)
* The Lost Codex (2012)
* The Mayan Prophecy (2014)
* The Last Secret (2016)
* The Book of Shadows (2018)
* The Devil's Triangle (2020)
Non-Fiction:
* The History of the Inca Empire (2002)
* The Mysteries of Machu Picchu (2005)
* The Secrets of the Pyramids (2007)
* The Knights Templar: A History (2009)
* The Voynich Manuscript: A Mystery Unraveled (2011)
* The Dead Sea Scrolls: A New Translation (2013)
* The Gospel of Judas: A New Interpretation (2015)
* The Turin Shroud: A Scientific Investigation (2017)
* The Nazca Lines: A New Perspective (2019)