Daniel "Dan" Brown (born June 22, 1964) is an American author of
thriller fiction who is best known for the 2003 bestselling novel
The Da Vinci Code. Brown's novels are treasure hunts set in a 24-hour period, and feature the recurring themes of
cryptography, keys, symbols, codes, and
conspiracy theories. His books have been translated into 52 languages, and as of 2012, sold over 200 million copies. Three of them,
Angels & Demons (2000),
The Da Vinci Code (2003), and
Inferno (2013), have been/are being adapted into films.