For those of you who’ve read any of Dan Brown‘s novels especially Da Vinci Code or Digital Fortress you might be wondering what all the strange codes/symbols inside & on the book’s cover mean. Well – no I wont spoil it for you. Try to figure it out here. And only use for research (no searching for the !)

danbrown Cracking Dan Browns Codes

[Update]: Just figured out the ‘GUID’ like codes in the back of Digital Fortress & Deception Point – its just as Ian, TJ and myself thought. The code numbers are chapter numbers which gives to a letter from the first word of its opening sentence. Then arrange these letters into a Cesarian grid. And read down the grid.