In order, the books go from Angels & Demons (2000) to The Da Vinci Code (2003) to The Lost Symbol (2009) to Inferno (2013) to Origin (2017), with Origin — at least for now — remaining as the ...

For 150 years, people have tried to decipher mysterious symbols written by an advanced civilization believed to rival ancient Egypt. Can a $1 million prize help crack the puzzle?