The Elusive Chauffeur, by David H. Brown, follows a pair of detectives, mathematician Samuel Mohlar and Kenneth Gray, as they seek answers to an equation that just doesn't add up. While hunting for the heiress's personal chauffeur, the missing variable in a long line of suspects, they find themselves in the throes of a powerful gangster who is determined to see them to their graves. While searching for the killer, their own lives, and the lives of those around them, become endangered. Can they find the killer before the killer finds them? Join Detectives Mohlar and Gray in a race against the clock in The Elusive Chauffeur.