Alan Butler has spent 30 years immersed in world history, writing books delving into neglected recesses of the past, including ancient cosmology. Three of his books written with co-author Christopher Knight have attained cult status: Civilization One (2004), Before the Pyramids (2009) and The Hiram Key Revisited (2010), all published by Watkins. His most recent title was Rosslyn Chapel Decoded (with John Ritchie; published by Watkins, 2013).
