The Pale Horse

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How Agatha Christie’s spooky story inspired real life murderers and detectives.

A friendly warning: there are major spoilers for The Pale Horse by Agatha Christie in this episode.

Find links to all the books and sources mentioned at

Special thanks today to my guests Kathryn Harkup and Sarah Phelps. Kathryn’s book is A is for Arsenic: The Poisons of Agatha Christie and she’s on Twitter @RotwangsRobot. Sarah’s adaptation of The Pale Horse is available in the UK on BBC iPlayer and in the US on Amazon Prime from 13 March. She’s on Twitter @PhelpsieSarah. Also, I’m indebted to Nick Hilton of Podot Pods for his recording assistance.

Thanks also to today’s sponsor, Best Fiends. You can download Best Fiends free on the Apple App Store or Google Play.

Become a member of the Shedunnit book club and get bonus audio, listen to ad free episodes and join a book-loving community at

Books and sources:
The Pale Horse by Agatha Christie
Final Curtain by Ngaio Marsh
“How Agatha Christie mystery The Pale Horse may have inspired a murderer” by Kathryn Harkup for the Guardian
A is for Arsenic: The Poisons of Agatha Christie by Kathryn Harkup

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Find a full transcript of this episode at

Music by Audioblocks and Blue Dot Sessions. See for more details.

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