Nellie H. Steele writes cosy mysteries centred on Dunhaven Castle, a recurring setting that anchors her series. Her books—including Mousse and Murder, Murder at Dunhaven Castle, and Holiday Heist at Dunhaven Castle—blend mystery with a sense of place, creating an intimate detection experience. Steele's work sits comfortably in the cosy mystery tradition: puzzles to unravel, a limited cast of suspects, and a tone more focused on clever plot construction than graphic crime. The seasonal and thematic variations suggest variety within her series framework. Her writing appeals to readers who prefer mysteries that prioritise plot ingenuity and atmosphere over dark elements, offering the satisfying puzzle-solving experience that defines the cosy mystery genre.

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Affair with Hair Cozy Mysteries (2)

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Book 1 Mousse and Murder Maya Roberts

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Book 2 Hairspray and Homicide Luulu Soul

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Cate Kensie Mysteries (9)

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Book 1 The Secret of Dunhaven Castle Naomi Rose-Mock

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Book 2 Murder at Dunhaven Castle Naomi Rose-Mock

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Book 3 Holiday Heist at Dunhaven Castle Liz Gentle

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Book 4 Danger at Dunhaven Castle Liz Gentle

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Book 5 A Spy at Dunhaven Castle Liz Gentle

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Book 6 Missing from Dunhaven Castle Malorie Wallen

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Book 7 Taken from Dunhaven Castle Nikki Lyons

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Book 1-3 Cate Kensie Mysteries, Books 1-3 Series Boxed Set Naomi Rose-Mock, Liz Gentle

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Book 4-6 Cate Kensie Mysteries Series Boxed Set Liz Gentle, Malorie Wallen

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Clif and Ri on the Sea (3)

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Book 1 Rise of a Pirate Kelly Michaels

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Book 2 A Pirate's Life for Ri Deborah Reeves

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Book 2 A Pirate's Gem for Ri Glyn Jackson

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Duchess of Blackmoore Mysteries (7)

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Book 1 Death of a Duchess Liz Gentle

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Book 2 Letter to a Duchess Liz Gentle

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Book 3 Asylum for a Duchess Liz Gentle

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Book 4 Danger for a Duchess Grace Noble

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Book 5 Turmoil for a Duchess Pandora Hennessy

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Book 6 Secrets for a Duchess Sarah Kempton

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Book 1-3 Duchess of Blackmoore Mysteries, Books 1-3 Liz Gentle

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Great Maine Mysteries (4)

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Book 1 Murder Most Eastern Michelle Marie

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Book 2 Murder Most Scenic Michelle Marie

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Book 3 Murder Most Quiet Kate Zehr

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Book 4 Murder Most Wild Kate Zehr

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Jack's Journal (2)

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Book 1 The Secret Keepers Graham Mack

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Book 2 Murder in the Tower Graham Mack

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Lily & Cassie By the Sea Mysteries (7)

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Book 1 Ghosts, Lore & a House by the Shore Kelly Micheals

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Book 2 Spirits, Tales & a Body by the Bales Deborah Reeves

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Book 3 Legends, Tea & a Ghost Named Ri Cathy Doolan Marmolejo

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Book 4 Maine, Moose & a Killer on the Loose Dana Allen

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Book 5 Journals, Lies & a Ghost in Disguise Dana Allen

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Book 6 Whispers, Screams & a Killer with Schemes Dana Allen

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Book 1-3 Lily & Cassie by the Sea Mysteries, Books One-Three Kelly Michaels, Deborah Reeves, Cathy Doolan Marmolejo

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Maggie Edwards Adventures (5)

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Book 1 Cleopatra's Tomb Liz Gentle

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Book 2 Secret of the Ankhs: A Maggie Edwards Adventure Liz Gentle

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Book 3 The Lost Treasure of Drakon Liz Gentle

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Book 4 Greyback Gold Glyn Jackson

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Book 5 The Amber Room Glyn Jackson

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Middle Age is Murder Cozy Mysteries (6)

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Fall Is Murder Terri Dien

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Book 1 Moving Is Murder Deborah Reeves

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Book 2 Business Is Murder Cathy Doolan Marmolejo

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Book 3 Weekends Are Murder Terri Dien

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Book 4 Holidays Are Murder Terri Dien

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Book 1-4 Middle Age Is Murder Deborah Reeves, Cathy Doolan Marmalejo, Terri Dien

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Pearl Party Cozy Mysteries (3)

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Book 1 Murder of Pearl : A Silverman Sisters Cozy Mystery Deborah Reeves

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Book 2 Mayhem in the Mansion Alyssa Thomas

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Book 3 Mutiny at the Manor Luulu Soul

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Shadow Lake Ranch Murders (3)

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Book 1 Her Last Best Friend Jake Mahler

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Book 2 Her Last Good Deed Jake Mahler

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Book 3 Her Last Buried Secret Jake Mahler

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Shadow Slayers Stories (7)

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Book 1 Shadows of the Past Graham Mack

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Book 2 Stolen Portrait Stolen Soul Graham Mack

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Book 3 Gone: A Shadow Slayers Story Graham Mack

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Book 4 Trouble Liz Gentle

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Book 5 Darkness Rising Liz Gentle

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Book 6 Hellscape Glyn Jackson

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Book 7 Wayward Glyn Jackson

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Shelving Magic (10)

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Book 0.5 Shadow Origins Dana Allen

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Book 1 Shadow Beasts Dana Allen

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Book 2 Shadow Charms Dana Allen

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Book 3 Shadow Lord Dana Allen

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Book 4 Shadow Moon Dana Allen

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Book 5 Shadow Omens Dana Allen

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Book 6 Shadow Curses Dana Allen

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Book 7 Shadow Witch Dana Allen

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Book 8 Shadow Legend Dana Allen

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Book 1-8 Shelving Magic Complete Series Boxed Set Dana Allen

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Whispers of Witchcraft Cozy Mysteries (8)

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Book 1 Ghostly Gossip Megyn von Gal

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Book 2 Mysterious Murmurs: A Haunted House Witchy Paranormal Cozy Mystery () Megyn von Gal

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Book 3 Cryptic Clues Cathy Doolan Marmolejo

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Book 4 Enigmatic Echoes Dana Allen

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Book 5 Wicked Whispers Dana Allen

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Book 6 Sinister Secrets Dana Allen

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Book 1-4 Whispers of Witchcraft, Books One-Four Megyn von Gal, Cathy Doolan Marmolejo, Dana Allen

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Spectral Start Dana Allen

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Standalone (2)

Death by Invitation Glyn Jackson

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In the Shadow of Darkness Glyn Jackson

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