How do you say goodbye to a beloved detective? Agatha Christie, of course, made a mystery out of it.

Thanks to my guest, Mark Aldridge. You can find out more about his work at markaldridge.info and order a copy of his new book, Agatha Christie’s Poirot: The Greatest Detective in the World, from all good booksellers.

Spoiler warning: there are major spoilers for Curtain and Sleeping Murder by Agatha Christie in this episode.

To see a full list of books mentioned in this episode and get links to other resources related to this topic, please visit shedunnitshow.com/swansong.

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

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Find a full transcript of this episode at shedunnitshow.com/swansongtranscript

Music by Audioblocks and Blue Dot Sessions.

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