# The Killer Inside by Matthew Frank (Paperback)

**The gripping and masterfully-crafted new thriller from award-winning author Matthew Frank**

**'Tense and twisty . . .** **completely gripping. I ignored children, a ringing phone, hunger, _everything_ just to devour the last hundred pages**' KAREN PERRY, _Sunday Times_ bestselling author of _YOUR CLOSEST FRIEND_  
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**Julian Sinclair is a serial killer**.

Charming, manipulative, deadly. He hunted girls for sport, and it's high time justice was served.

But when Sinclair's conviction is thrown out in court, DC Joseph Stark and DS Fran Millhaven are forced to protect the man they're sure is guilty from those who would rather see him pay in blood.

**Then another girl dies.**

And Sinclair can't have killed her from his hospital bed . . .

Is a killer lurking in someone they never suspected?

**_And have they had the wrong man all along?_**  
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**'A clever compelling spiderweb of a plot'** JANE CORRY, bestselling author of _My Husband's Wife_

_'_A **gripping, pacy read** with a **"one more chapter" compulsiveness'** LAURA MARSHALL, bestselling author of _Friend Request_

**'Seriously good . . . a tightly plotted thrilling page turner of a book'** JAMES OSWALD, author of the Inspector McLean series

**'Matthew Frank is a master at juggling light and darkness . . .** while serving up **satisfying plots with plenty of twists'** SARAH HILARY, award-winning author of the Marnie Rome series

'**Nail-bitingly tense**' Susi Holliday, author of _The Last Resort_

## Details

- **Price:** 15.49 GBP
- **Vendor:** Penguin Books, Limited
- **Tags:** All Books, Thrillers

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 15.49 GBP | In stock |

## Images

- The Killer Inside by Matthew Frank (Paperback)

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> Source: [Somiibooks](https://somiibooks.com/products/the-killer-inside-matthew-frank-9780718187194)
> Updated: 2026-09-13