NJ Mackay

1 series 3 books in order

Niki Mackay studied Performing Arts at the BRIT School. She holds a BA (Hons) in English Literature and Drama, won a full scholarship for her MA in Journalism. Under Niki Mackay, she is the author of ‘I, Witness’ and ‘The Lies We Tell’, as well as the gangland thrillers ‘Loaded’ and 'Taken'. Under NJ Mackay she has published two standalone psychological thrillers, ‘Found Her’ and ‘The Girls Inside’.

Known for
DI Sebastian Locke Mystery

Series by NJ Mackay

DI Sebastian Locke Mystery

3 books in order · 2023–2025

  1. Cover of The Quiet Dead

    The Quiet Dead

    2023 · NJ Mackay

    Fifteen years ago, he confessed to the murder of his wife and children. As a teenager, Hayley DaSilva walked into a nightmare; discovering the bodies…

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  2. Cover of The Sweetheart Killer

    The Sweetheart Killer

    2024 · NJ Mackay

    'The ending was mind-blowingI cannot say enough good things about this book.' Reader Review Loving him might be the last thing they do Stevie Gordon…

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  3. Cover of The Vanished

    The Vanished

    2025 · NJ Mackay

    A detective searches for the missing - his ex-wife is next When DI Sebastian Locke gets a call about his ex-wife, Charlie, he fears the worst.…

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Frequently asked questions

How many books has NJ Mackay written?

We list 3 books by NJ Mackay across 1 series, published between 2023–2025 — each shown in full reading order.

What order should I read NJ Mackay's books?

Read each series in publication order. A good place to start is “The Quiet Dead.” Open any series above for its complete numbered reading order.

Where can I buy NJ Mackay's books?

Every title links to Amazon from its series page — see our affiliate disclosure in the footer for how that supports the site.

Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.

Book descriptions, author biographies, award records and review quotes on this page are courtesy of Penguin Random House.