Here's a snapshot of what I think is published for the first time in October 2019 (and is usually a UK date but occasionally will be a US or Australian date). October and future months (and years) can be found on the
Future Releases page. If I've missed anything or got the date wrong, do please leave a comment.
• Anthology - The Book of Extraordinary Amateur Sleuth and Private Eye Stories (ed. Maxim Jakubowski)
• Amphlett, Rachel - Cradle to Grave #8 Detective Kay Hunter
• Austin, Stephanie - Dead on Dartmoor #2 Juno Browne
• Beaton, M C - Agatha Raisin: Beating About the Bush #30 Agatha Raisin, Retired PR person, Cotswolds
• Berry, Connie - A Legacy of Murder #2 Kate Hamilton, American antiques dealer
• Black, Helen - Playing Dirty #3 Liberty Chapman
• Bonner, Hilary - Dreams of Fear #3 DI David Vogel, Bristol
• Brett, Simon - Blotto, Twinks and the Great Road Race #10 Brother and sister sleuths, Blotto and Twinks
• Brody, Frances - The Body on the Train #11 Kate Shackleton, Bradford, 1920s
• Cayre, Hannelore - The Godmother
• Child, Lee - Blue Moon #24 Jack Reacher, ex MP, USA
• Cockram, Jane - The House of Brides
• Cole, Martina No Mercy
• Corcoran, Caroline - Through the Wall
• Crombie, Deborah - A Bitter Feast #18 Duncan Kincaid and Gemma James, Scotland Yard
• Cutler, Judith - The Wages of Sin #1 Matthew Rowsley, Steward & Mrs Faulkner, Housekeeper, Victorian Era
• Dams, Jeanne M - Death in the Garden City #22 Dorothy Martin
• de Lange, Louisa - Ask Me No Questions #1 DS Kate Munro
• Doherty, P C/Paul - Dark Queen Waiting #2 Margaret Beaufort
• Driscoll, Teresa - I Will Make You Pay
• Eames, Jessica - Bad Seed
• Ellicott, Jessica - Murder Cuts the Mustard #3 Beryl and Edwina Mystery, 1920s
• Falconer, Colin - Innocence Dies #2 Detectives Charlie George and Clare Reeves
• Finch, Paul - Season of Mist
• Fowler, Christopher - Bryant & May - England's Finest #2 Short Stories
• French, Nicci - The Lying Room
• Gartland, Fiona - Now That You've Gone #2 Beatrice Barrington, Stenographer, Dublin
• Gray, Lisa - Bad Memory #2 Jessica Shaw
• Green, Cass - The Killer Inside
• Griffiths, Elly - Now You See Them #5 Stephens and Mephisto, Brighton, 1950s
• Grzegorzek, Paul - Closer Than Blood #2 PC Gareth Bell, Brighton
• Hall, Tarquin - The Case of the Reincarnated Client #5 Vish Puri, New Dehli
• Hannah, Sophie - The Understudy (co-written with Holly Brown, Claire Mackintosh and B A Paris)
• Hayes, Terry - The Year of the Locust
• Hill, Susan - The Benefit of Hindsight #10 Chief Inspector Simon Serrailler, Lafferton
• Isaac, Jane - A Deathly Silence #3 DCI Helen Lavery
• Isaac-Henry, - Olivia The Verdict
• Jakeman, Jo - Safe House
• Jeffrey, Diane - The Guilty Mother
• Jensen, Louise - The Family
• Kinsey, T E - Death Beside the Seaside #6 Lady Emily Hardcastle, 1908
• Lake, Alex - Seven Days
• Le Carre, John - Agent Running in the Field
• Lloyd, Chris - City of Drowned Souls #3 Elisenda Domenech, Catalan city of Girona
• Lloyd, Chris - City of Good Death #1 Elisenda Domenech, Catalan city of Girona
• Lloyd, Chris - City of Buried Ghosts #2 Elisenda Domenech, Catalan city of Girona
• MacBird, Bonnie - The Devil's Due #3 Sherlock Holmes Adventure
• Magson, Adrian - Terminal Black #6 Harry Tate
• Malvaldi, Marco - The Measure of a Man
• Marston, Edward - Fear on the Phantom Special #17 Det. Insp Colbeck, Scotland Yard, mid 19th Century
• May, Peter - The Noble Path (originally pub. 1992)
• Mayhew, Julie - Impossible Causes
• McGowan, Claire - The Other Wife
• McNab, Andy - Whatever It Takes #20 The Nick Stone Missions
• Ohlsson, Kristina - The Flood #6 Inspector Alex Recht
• Perry, Anne - A Christmas Gathering
• Pinto Maldonado, Mercedes - Letters to a Stranger
• Rhodes, Kate - Burnt Island #3 DI Ben Kitto
• Rickman, Phil - For the Hell of It #15 Rev. Merrily Watkins, Ledwardine, Herefordshire
• Rosett, Sara - Murder in Black Tie #4 High Society Lady Detective, 1920s England
• Sigurdardottir, Lilja - Cage #3 Sonja
• Stacey, Lynda - The Fake Date
• Sten, Viveca - In the Shadow of Power #7 Sandhamn Murders
• Street, Karen Lee - Edgar Allan Poe and The Empire of the Dead #3 Poe and Dupin
• Tallon, Emma - Reckless Girl #5 Anna Davis
• Thomas, Sherry - The Art of Theft #4 Lady Sherlock
• Todd, Charles - A Cruel Deception #11 Bess Crawford, battlefield nurse, WWI
• Tuomainen, Antti - Little Siberia
• Williams, Andrew - Witchfinder