TITLES: Kate Ellis, 'An Unhallowed Grave' + Tess Gerritsen, 'The Mephisto Club' + Linwood Barclay, 'A Noise Downstairs' + Anna Smith, 'Screams in the Dark'

TITLES: Elly Griffiths, 'Bleeding Heart Yard' + Harlan Coben, 'Home' + Kate Ellis, 'The Marriage Hearse' + James Patterson, '20th Victim'

TITLES: Anna Jacobs, 'Cherry Tree Lane' + Lesley Pearse, 'A Lesser Evil' + Nora Roberts, 'Inner Harbour' + Danielle Steel, 'The Promise'

TITLES: Jenny Colgan, 'Bookshop on the Shore' + Alan Titchmarsh, 'The Gift' + Sophie Cousens, 'Before I Do' + Katie Fforde, 'A Summer At Sea'