) is a journalist, writer and researcher who studied journalism at the Universidad Complutense de Madrid. He is editor consultant of the monthly magazine Más Allá de la Ciencia (Beyond Science) distributed in Spain and Latin America and he participates in several radio and television programs. During the last years, he has concentrated on writing about purported ancient mysteries.

For years, Sierra has been working with people like Graham Hancock

Graham Hancock

Graham Hancock is a British writer and journalist. Hancock specialises in unconventional theories involving ancient civilizations, stone monuments or megaliths, altered states of consciousness, ancient myths and astronomical/astrological data from the past...

 and Robert Bauval

Robert Bauval

Robert Bauval is an author, lecturer, and Ancient Egypt researcher, best known for his Orion Correlation Theory.-Early life:...

 attempting to demonstrate the existence of a Golden Age of humanity. His hypothesis holds that this Golden Age was extinguished about 10,500 years ago, and it was the origin of all the known civilizations.

His 2006 novel The Secret Supper

The Secret Supper

The Secret Supper is a thriller novel written by Javier Sierra. The original Spanish title was La Cena Secreta, winner of the 2004 Premio de Novela Ciudad de Torrevieja literary award, one of the richest literary prizes in the world. The English translation by Alberto Manguel was published in...

was in the top ten of the The New York Times Best Seller list and has been published in 42 countries. The Lady in Blue was published in 2007.

Books and literature

• The Lady in Blue (Washington Square Press, 2008)
• The Secret Supper
  The Secret Supper
  The Secret Supper is a thriller novel written by Javier Sierra. The original Spanish title was La Cena Secreta, winner of the 2004 Premio de Novela Ciudad de Torrevieja literary award, one of the richest literary prizes in the world. The English translation by Alberto Manguel was published in...
  
  (Atria Books, 2006), English translation by Alberto Manguel
  Alberto Manguel
  Alberto Manguel is a Canadian Argentine-born writer, translator, and editor. He is the author of numerous non-fiction books such as The Dictionary of Imaginary Places , A History of Reading , The Library at Night and Homer's Iliad and Odyssey: A Biography ; and novels such as News...
  
   of La Cena Secreta (2003).
• El secreto egipcio de Napoleón (La Esfera, 2002)
• En busca de la Edad de Oro (Grijalbo, 2000)
• Las puertas templarias (Martínez Roca, 2000)
• La Dama Azul (Martínez Roca, 1998)
• La España Extraña (EDAF, 1997), in collaboration with Jesús Callejo
• Roswell, secreto de Estado (EDAF, 1995)
• He participated in the collective work Relatos Ferroviarios Sobre Raíles (Imagine Ediciones, 2003)
• He directed and prologued the historical intrigue novels collection La Cámara Secreta (col. Nº 80) for Círculo de Lectores (2003–2004).

Radio

• Collaborator in La Rosa de los Vientos, Onda Cero Radio (2004–2006).
• Collaborator in Herrera en la onda (before Herrera y punto), Onda Cero Radio (2002–2003).
• Collaborator in Milenio 3, Cadena SER Radio (2002).
• Consultant in El Callejero, Onda Cero Radio (1998).
• Consultant in Viva la Radio, Radio Voz (1996–1998).
• Consultant in La Ventana Indiscreta, Cadena SER Radio (1989).
• Consultant in Espacio en Blanco, Radio Nacional de España (1987–1988).
• Director and presenter of La Otra Ciencia and Mare Nostrum, Radio Nueva (1986–1988).

Television

• Director and TV presenter of El Otro Lado de la Realidad, Telemadrid (2004–2005).
• Collaborator in Cada Día, Antena 3 TV (2005).
• Collaborator in Crónicas Marcianas, Telecinco
  Telecinco
  Telecinco is a Spanish commercial television channel operated by Mediaset España. Launched in 1990 as Tele 5, it was the fifth of the national terrestrial television channels. In 1997, Tele 5 was rebranded as Telecinco, dropping the flower logo seen in other Mediaset channel...
  
   (1999–2004).
• Editor of Otra Dimensión, Telecinco
  Telecinco
  Telecinco is a Spanish commercial television channel operated by Mediaset España. Launched in 1990 as Tele 5, it was the fifth of the national terrestrial television channels. In 1997, Tele 5 was rebranded as Telecinco, dropping the flower logo seen in other Mediaset channel...
  
  (1993).

Press

• Editor consultant of the magazine Más Allá de la Ciencia (M.C. Ediciones, 2005).
• Editor Director of Revista de Arqueología (MC Ediciones, 2002), the most important publication of its genre in Spain.
• Director of the magazine Más Allá de la Ciencia (M.C. Ediciones, 1998). He carried out the change of format, readjusts of contents and image, since January 1999.
• Coordinator of the special numbers of magazine Más Allá de la Ciencia, Grandes enigmas de Europa y América, Pirámides del mundo, Grandes misterios de la Tierra, Misterios de Egipto, among others.
• Assistant director of the magazine Más Allá de la Ciencia (J.C. Ediciones, 1995–1998).
• International coordinator of magazine Año Cero (América Ibérica, 1994).
• Editor of magazine Más Allá de la Ciencia (Heptada, 1993).
• Co-founder of the magazine Año Cero (Hobby Press 1990).

Editorial

• Consultant of the collection Huellas Perdidas de Grijalbo Mondadori (2000–2001).
• Editor consultant of the collection Ediciones Martínez Roca (2001).

External links

• His english official page
• The page of his novel La Cena Secreta