Greene is certainly a more literary writer with more human insight, and le Carré would be more plot driven. I read Havana, Brighton, and Quiet American decades

Greene is certainly a more literary writer with more human insight, and le Carré would be more plot driven. I read Havana, Brighton, and Quiet American decades ago now. Genre wise, Alan Furst apparently took up the gauntlet, but his characters seemed like unmemorable plot devices to me.