Death on a Lively Sea (Three Dahlias Mysteries #6)

Death on a Lively Sea (Three Dahlias Mysteries #6) by Katy Watson is out now, published July 16, 2026.

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Death on a Lively Sea (Three Dahlias Mysteries #6)
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Death on a Lively Sea (Three Dahlias Mysteries #6) Release Date: July 16, 2026

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A YACHT FULL OF SUSPECTS, ON A SEA OF RED HERRINGS . . .

Rosalind King, Caro Hooper and Posy Starling may be famous for each playing fictional detective Dahlia Lively on screen, but their growing reputation for solving real murder cases has prompted an offer that they can’t refuse . . .

Property mogul and billionaire, Percy Pendleton, has invited them for a two-week trip on his mega yacht this summer to investigate a case of expected murder.

Percy doesn’t believe that his father’s recent death was natural, despite what the police say. In fact, he thinks he’s going to be murdered too – and soon.

Not being one to sit around waiting for things to happen, he’s gathered all the people he suspects of wanting him dead for a luxury cruise around the Mediterranean. He’s giving the three Dahlias the length of the voyage to investigate his father’s demise, figure out who wants him dead, and stop them.

It’s a challenge unlike any they’ve ever tackled before. But at least they get to enjoy the sun, sea and a Limoncello Spritz while they’re interviewing the suspects . . .

Whether you’ve read the whole series, or are discovering the Three Dahlias novels for the first time, this is the perfect murder mystery to escape into this summer if you love Agatha Christie, Janice Hallett and Kristen Perrin.

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Genre: Cozy Mystery

Katy Watson

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