Dan Brown is an american author of thriller fiction in 2003 he wrote The Da Vinci Code . His books usually features keys, symbols, codes, consiparcy theories.
Some of his books are listed below:
Angels & Demons
The Da Vinci Code
The Lost Symbol
Robert Langdon is the main character and the books are set in a 24 hour period.The Da Vinci Code (Robert Langdon)Also available on kindle.
His 4 th novel The Da Vinci Code was on top of the best sellers list in 2003.
This book earned him an income of US $250 million