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An Ethical Guide To Murder : She can take years off your life. Don't annoy her. - Jenny Morris

An Ethical Guide To Murder

She can take years off your life. Don't annoy her.

By: Jenny Morris

Paperback | 25 November 2025

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Paperback


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How to Kill Your Family meets The Power in this entertaining and thought-provoking read, that asks:
 
If you had the power between life and death, what would you do?
 
Thea has a secret.
She can tell how long someone has left to live just by touching them.
Not only that, but she can transfer life from one person to another – something she finds out the hard way when her best friend Ruth suffers a fatal head injury on a night out.
Desperate to save her, Thea touches the arm of the man responsible when he comes to check if Ruth is all right. As Ruth comes to, the man quietly slumps to the ground, dead.

Thea realises that she has a godlike power: but despite deciding to use her ability for good, she can’t help but sometimes use it for her own benefit.
Boss annoying her at work? She can take some life from them and give it as a tip to her masseuse for a great job.
Creating an ‘Ethical Guide to Murder’ helps Thea to focus her new-found skills.
But as she embarks on her mission to punish the wicked and give the deserving more time, she finds that it isn’t as simple as she first thought.

How can she really know who deserves to die, and can she figure out her own rules before Ruth’s borrowed time runs out?

About the Author

Jenny Morris lives in Crowborough, the home of Winnie the Pooh and an outrageous number of charity shops. She loves a moral dilemma, and writes high-concept crime novels that explore deep philosophical questions like 'How much would I have to pay you to eat a human toe?' She has a PhD in Cognitive Psychology and works as a behavioural scientist. When not reading or writing, she enjoys galloping around the Ashdown Forest on a horse, foraging for mushrooms and getting way too intense about board games at the pub.
Industry Reviews
‘Relatable, poignant, and filled with unexpected twists, An Ethical Guide to Murder is near-impossible to put down. I was hooked all the way up to the ending, which I can't stop thinking about. A must-read for 2025’ - Jenny Hollander, author of Everyone Who Can Forgive Me Is Dead

‘An Ethical Guide to Murder is a fabulous book! Jenny Morris has taken the "with great power comes great responsibility" concept and applied it to someone who struggles to be responsible for her own laundry. Thea is a relatable, messy character whose trials and tribulations kept me laughing all the way to the emotional gut punch. What a marvellous debut!’ - Alice Bell, author of Grave Expectations

‘An Ethical Guide to Murder is the best type of book – one that’s as entertaining as it is thought-provoking. With Thea, Jenny Morris has created one of the most interesting characters that I’ve read in a long time’ - Kellye Garrett, award winning author of Missing White Woman

‘Is Thea a serial killer? Is she an avenging angel? Maybe she’s both. Fresh and fun, I loved this original take on the crime genre. Combining ethics with a good old revenge story, I raced through this unexpectedly poignant novel. A fabulous debut!’- Sam Holland, author of The Echo Man

‘A wonderfully hooky premise with the emotional depth to back it up, An Ethical Guide to Murder is a stellar debut from Jenny Morris. The Trolley Problem for the Uber age’ Callum McSorley, author of Squeaky Clean, winner of the McIlvanney Prize for Scottish Crime Novel of the Year 2024

‘A darkly compelling and brilliantly original take on power, morality, and consequence.  Thea’s extraordinary gift is both a blessing and a curse, and watching her navigate the blurry line between justice and vengeance makes for an absolutely gripping read. With razor-sharp prose and wonderfully relatable characters, Morris asks the ultimate question: if you had the power of life and death, how far would you go? I couldn't put it down’ Amanda Cassidy, Irish Times Bestselling author of The Perfect Place

‘You do not want to miss this! A fresh, humorous yet thought-provoking tale of one ordinary, complex woman’s quest to put her superpower to good use. Thea’s dilemmas of who lives and who dies will keep you pounding through the pages with a smile on your face and an ache in your heart’ Graham Bartlett, author of City on Fire

‘A deliciously dark, entertainingly sincere Dexter meets Sophie's Choice. Loved it!’ Claire Wilson, author of Five by Five

An Ethical Guide to Murder is a thought-provoking whirlwind of a ride with unexpected twists, well-timed humor, and a propulsive plot. It kept me on my toes until the last page, and I'm still thinking about it!’ Gloria Chao, author of The Ex-Girlfriend Murder Club and Ex Marks the Spot

Other Editions and Formats

Hardcover

Published: 16th January 2025

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