Into the blue

The red shore

William Shaw

Liar’s Beach

Katie Cotugno

Off the Deep End A Thriller

Lucinda Berry

Summer in Greece

Patricia Wilson

Coffin road

Peter May

The Lost

Roberta Kray

Into the water

Paula Hawkins

Don't let go

Michel Bussi

Hungry as the Sea

Wilbur A. Smith

The Drowned Detective

Neil Jordan

The House at Sea's End

Elly Griffiths

Dead in the Water

Irna Van Zyl

The Blue

Lucy Clarke

Fade Away

Harlan Coben

Blacklight Blue

Peter May

A Place of Hiding

Elizabeth George

Broken Harbour

Tana French

Before the poison

Peter Robinson

Stranded

Emily Barr

Never look away

Linwood Barclay

Atlantis

David Gibbins

The house of the Hanged

Mark Mills

True blue

David Baldacci

Careless in Red

Elizabeth George

Long lost

Harlan Coben

The Danger

Dick Francis

The water's lovely

Ruth Rendell

Buried

Mark Billingham

Whiteout

Greg Rucka

The grave tattoo

Val McDermid

Never go back

Robert Goddard

Tainted Blood

Arnaldur Indriðason

Sight unseen

Robert Goddard

Jericho Point

Meg Gardiner

The guilty heart

Julie Parsons

Blinded

Destination Unknown

Agatha Christie

The Mystery of the Blue Train

Agatha Christie

The Modigliani Scandal

Ken Follett