Brown, Dan, <br/><br/>
Origin 
Dan Brown. 
 - London :  BantaJain M Press,  2017 
 - 461 p. 
 -  [bk. 5] .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Langdon, Robert (Fictitious character);Cryptographers;Human beings;Code and cipher stories.;Cryptographers.;Langdon, Robert (Fictitious character);Langdon, Robert (Fictitious character);Cryptographers;Human beings
<br/><br/><label>Dewey Class. No.: </label>FIC  / BRO/ORI