Murder on Deck Six: A Mary Sullivan Cozy Mystery

A poker champion collapses at the final table. An extra card appears where it shouldn't. And a retired mathematics teacher knows the evidence doesn't add up.Mary Sullivan came aboard expecting a Caribbean cruise with her sister Susan-not a suspicious death on Deck Six.But when celebrated poker champion Vince Murphy collapses during a televised charity final, Mary can't ignore the questions left behind. The ship is already at sea. Everyone connected to the table is still aboard. And somewhere among conflicting accounts, curious timing, controlled access, and details captured when no one realized they mattered, something is wrong.Fortunately, Mary spent thirty-seven years teaching mathematics.She knows the difference between fact and assumption. She knows how to test a possibility instead of simply believing it. And she knows that when one detail refuses to fit, the entire solution may need to be reconsidered.Susan has a different talent. While Mary reads the evidence, Susan reads the room.Together, the sisters begin untangling a clue-driven mystery amid casino lights, ocean views, and all the pleasures of a Caribbean cruise-where the smallest inconsistency may prove more important than the most convincing story.The evidence should add up. This time, it doesn't.