It sounded like a good idea … Offer passengers elite classes in diet, health, and exercise.Persuade world-renowned experts to teach the seminars.Book them on the Pegasus—a luxurious cruise ship sailing from Florida to Alaska. That was the thought of Collin Woodward, the Vice President of Flagship Cruise Line, when he invited on board: Clifford Freeman, the mesmerizing hypnotherapistKenna Chavasse, the seductive light-food chefJean Claude Regale, the mysterious Olympic starRita Diamond, the free-spirited diet expertDr. Marco Renato, the erudite psychiatrist and Deidre Lovejoy, the hot-tempered TV talk-show hostess and Woodward's wife. The timing of this cruise couldn’t have been better for Alec DunBarton, The Singing Sleuth. After serving three months on the Pegasus, he had managed to gain thirty-five pounds by eating six fattening meals a day, drinking double Scotches, and avoiding all exercise. Just as Alec finds a weight-loss plan that seems promising, one of the guest speakers is killed in the ship’s sauna. Even though homicide is a nasty business, Alec is more certain that“Losing Weight is Murder!”