Fade to Black

Nero Wolfe investigates a sticky case of cola-war espionage.
For the men of Madison Avenue, the battle between soft-drink giants Cherr-o-key and AmeriCherry seems heaven sent. For years now, the firm of Mills/Lake/Ryman has fought to help Cherr-o-key become the nation’s favorite fizzy cherry soda, but each time they come up with a new slogan, mascot, or jingle, AmeriCherry somehow beats them to it. There's a mole inside the agency, and only Nero Wolfe can ferret him out.
 
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