The Case of the Dangerous DowagerPerry Mason Series
Erle Stanley Gardner
When Matilda Benson solicits the help of Perry Mason, her request seems simple enough: cruise to a gambling ship moored just beyond the twelve-mile limit and buy back the IOUs signed by Miss Benson's niece. But after Mason reaches the floating casino, he discovers problems aplenty -- most notably the ship's owner with a bullet hole through his head...
First Published in 1937