There were many books, articles and videos watched and read during the writing of this novel. Here are some of the more important and influential materials for you to research:
Brugger, K. [1977]. The Chronicle of Akakor. New York: Delacorte Press
Childress, D. H. [1999] Lost Cities & Ancient Mysteries of South America. Kempton, Illinois: Adventures Unlimited Press
Gardner, L. [2003]. Lost Secrets of the Sacred Ark. London: HarperCollins
Grann, D. [2005]. The Lost City of Z. New York: Doubleday
Greene, B. [2003]. The Elegant Universe. New York: W.W. Norton & Co.
Grist, S. [2001]. StanGrist.com Adventures Into The Unknown.
http://www.stangrist.com/tunnels.htm
Raposo, F. [1753, translation by Mrs. Richard Burton 1865]. Document 512. National Library of Rio de Janeiro
MacQuarrie, K. [2007]. The Last Days of the Incas. New York: Simon & Schuster
Von Däniken, E. [1969]. Chariots of the Gods. New York: Souvenir Press
Von Däniken, E. [1970]. Gods From Outer Space. New York: Souvenir Press
Von Däniken, E. [1973]. The Gold of The Gods. New York: Souvenir Press
Von Däniken, E. [1973]. In Search of the Ancient Gods. New York: Souvenir Press
Wilkins, H.T. [1952]. Secret Cities of Old South America. Kempton, Illinois: Adventures Unlimited Press
Wilkins, H. T. [1956]. Mysteries of Ancient South America. USA: The Citidel Press
Ancient Astronauts television series on the History Channel.
DISCLAIMER: This novel is a work of fiction. Names, characters, organizations, places, events
and incidents are either a product of the author’s imagination or used
fictitiously. Any
resemblance to actual persons, living or dead, events, or locales
is entirely coincidental.