The Gambit (A Nero Wolfe Mystery) (Nero Wolfe Mysteries)

Sally Blount needs help. Someone has stirred up an arsenic cocktail to murder a man at her fathers chess cluba cocktail her father served to him. She knows her father is innocent, but doesn't trust her lawyer, who seems too interested in her mother. Her only choice? Nero Wolfe, who checkmates the cops as well as the killer.