Jo Callaghan on Body of Lies | The Final Kat and Locke Thriller

Jo Callaghan joins Philippa to talk about Body of Lies — the gripping fourth and final Kat Frank and AIDE Lock thriller.

We talk about:

• Why this series ends with book four
• The emotional challenge of writing the final Kat and Locke story
• AI, humanity, grief, and what makes us human
• Plot twists, rewrites, and bringing a series to a powerful close

Jo also shares what she’s been reading:

• Please Help Me by Gytha Lodge — a tense, high-concept crime thriller
• Eden Falls by Ajay Chowdhury — a smart, ambitious sci-fi thriller
• The Correspondent (recommended after Philippa’s chat with Alison Barrow)
• After You’d Gone by Maggie O’Farrell — a powerful love story
• Running and Jumping by Stephen Keady — an unexpectedly fascinating dive into elite athletics

Plus, Jo reveals her ideal writing conditions (hint: it’s all about uninterrupted time) and the very specific cheese-and-biscuit combination that fuels her writing.

Perfect for fans of smart crime fiction, emotional thrillers, and thought-provoking mysteries.

Follow Quick Book Reviews for more author interviews and spoiler-free book chat.

Pre-order Body Of Lies here:

https://www.waterstones.com/book/body-of-lies/jo-callaghan/9781398535565

https://uk.bookshop.org/p/books/body-of-lies-the-crime-thriller-of-2026-from-the-award-winning-and-sunday-times-bestselling-author-of-in-the-blink-of-an-eye-jo-callaghan/cbbcf2c82f6b5367?ean=9781398535565&next=t

https://amzn.eu/d/0bmnarRm

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