Murder on the Lusitania - Conrad Allen

In 1907, the world applauds as the Cunard Line launches a history-making ship. Among its privileged passengers strolls the debonair American George Porter Dillman, a detective secretly hired to find the con artists, gigolos, and thieves who prey on the rich and unwary. But the robbery of the ship's blueprints and a shocking murder take Dillman by surprise. Now, attracted to a lady who may not be what she seems, Dillman plunges into a drama of love and intrigue set in the glittering salons of this floating palace. And perhaps plays right into a killer's hands...