book cover of Knock Knock
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Knock Knock

(2020)
(The first book in the Detectives Lockhart and Green series)
A novel by

 
 
Natasha Mayston wasn't expecting anyone to knock on her door so late at night. And she has no idea that the face staring back at her is the last one she'll ever see...

As Detective Dan Lockhart is called to a wealthy London street to investigate Natasha's death, he's startled by the similarity to a previous case. Noticing the cable-tie restraints and the tiny scratches on Natasha's wedding finger, Dan already knows what he will find if he looks in her mouth - the metal ball which choked her to death. He knows Natasha isn't the killer's first victim and is certain that he will strike again.

Months earlier, Kim Hardy was found in the same position in a run-down hotel across the city - an identical silver ball in her throat. But Kim's murderer was caught and sent to prison - did they arrest the wrong man? And what connects the two victims? Fearing that he's dealing with a psychopathic serial killer, Dan calls in psychologist Dr Lexi Green to help him to get into the perpetrator's mind. Tough and smart, Lexi will stop at nothing to hunt down the man responsible for the deaths.

Then, another body is discovered, just as Lexi finds a clue online leading to the killer. Dan's team aren't convinced, but in pushing Lexi away from the investigation, they force her to dig further into the case on her own. Convinced that she's on to something, she puts herself in unthinkable danger... but can Dan piece together the clues and identify the killer before it's too late?

Fans of Angela Marsons, Robert Dugoni and Cara Hunter will love this thrilling new series from Chris Merritt. From an explosive start to a heart-stopping finale, you will not want to put this book down

What readers are saying about Chris Merritt:

'Eeee. OMG! Ahhh! Where do I start? I have a new favourite author... a belter of a book!... I was so impressed, gripped, hooked and immersed. I don't have the words to describe how much I loved this book!' Between the Pages Book Club, 5 stars

'Brilliant... I absolutely loved... Addictive reading... You can't tear your eyes away... I was totally gripped... Absolutely blew me away... One of my top reads of 2018.' Ginger Book Geek

'Loved the book. It's edge of your seat reading.' Goodreads reviewer

'Had me hooked from the first chapter.' Goodreads reviewer, 5 stars

'Chris Merritt can add me to his list of fans, as I loved this book, the plot, characters and most of all his writing... I couldn't put the book down, even when I was tired and wanted sleep, a sign of a terrific book!' Zoo Loo Book Blog

Genre: Mystery

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Used availability for Chris Merritt's Knock Knock

Paperback Editions

March 2020 : UK Paperback
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Title: Knock Knock: An absolutely pulse-racing, heart-stopping crime thriller (Detectives Lockhart and Green)
Author(s): Chris Merritt
ISBN: 1-83888-020-8 / 978-1-83888-020-0 (UK edition)
Publisher: Bookouture
Availability: Amazon   Amazon UK   Amazon CA   Amazon AU   


Audio Editions

March 2020 : USA Audio edition
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Title: Knock Knock: An Absolutely Pulse-Racing, Heart-Stopping Crime Thriller: Detectives Lockhart and Green, Book 1
Author(s): Chris Merritt
Publisher: Hachette UK - Bookouture
Availability: Amazon   


March 2020 : Australia Audio edition
thumb

Title: Knock Knock: An Absolutely Pulse-Racing, Heart-Stopping Crime Thriller: Detectives Lockhart and Green, Book 1
Author(s): Chris Merritt
Publisher: Hachette UK - Bookouture
Availability: Amazon AU   


March 2020 : Canada Audio edition
thumb

Title: Knock Knock: An Absolutely Pulse-Racing, Heart-Stopping Crime Thriller: Detectives Lockhart and Green, Book 1
Author(s): Chris Merritt
Publisher: Hachette UK - Bookouture
Availability: Amazon CA   


March 2020 : UK Audio edition
thumb

Title: Knock Knock: An Absolutely Pulse-Racing, Heart-Stopping Crime Thriller: Detectives Lockhart and Green, Book 1
Author(s): Chris Merritt
Publisher: Hachette UK - Bookouture
Availability: Amazon UK   


Kindle Editions

March 2020 : USA, Australia, Canada, UK Kindle edition
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Title: Knock Knock: An absolutely pulse-racing, heart-stopping crime thriller (Detectives Lockhart and Green Book 1)
Author(s): Chris Merritt
Publisher: Bookouture
Availability: Amazon   Amazon UK   Amazon CA   Amazon AU