By 2003's The Da Vinci Code, Brown had clearly honed his pop-lit formulation of improbable plot twists, historical trivia and travelogue.
In their book, "Secrets of the Lost Symbol: the Unauthorized Guide to the Mysteries Behind the Da Vinci code Sequel," they uncover anagrams and coded phrases and a host of other curious facts.
An evil Opus Dei albino monk stalks the streets of Rome in the film, The Da Vinci Code.
Leonardo Da Vinci invented the scissors.