premise: Dan Brown wrote a 2003 bestselling novel under the alias "Buck Nasty".
hypothesis: Daniel Gerhard `` Dan '' Brown ( born June 22 , 1964 ) is an American author of thriller fiction who wrote the 2003 bestselling novel The Da Vinci Code . Inferno is a 2013 mystery thriller novel by American author Dan Brown and the fourth book in his Robert Langdon series , following Angels & Demons , The Da Vinci Code and The Lost Symbol .