"Old Friends" Checkout Billmon's Whiskey Bar on Porter's resignation in CIA Confidential . And read why I think that Intelligence Services Are Not `Intelligent' . Finally, six recommended spy novels: Eric Ambler's The Mask of Dimitrios ; Graham Greene's The Third Man : Alan Furst's Dark Star ; Charles McCarry's The Tears of Autumn ; John Le Carre's Tinker, Tailor, Soldier, Spy ; Len Deighton's Berlin Game . I would recommend reading everything by Ambler, Greene, Le Carre, and Furst (a relatively new author who has written great stuff using Nazi-occuppied Europe, epsecially Paris, during WWII as backdrop). As far as Deighton and McCarry, I would recommend their earlier novels. The more recent ones are not so good.