Extremity is a nail-biting, time-travelling police procedural from bestselling author Nicholas Binge. For fans of True Detective and Philip K. Dick.

‘Easily in the running for the best novella of the year’ – The Fantasy Hive

Infamous police detective Julia Torgrimsen is summoned to investigate the murder of Bruno Donaldson, a billionaire she worked with while undercover. But she doesn’t expect to find two bodies. Both are Bruno, identical down to the fingerprints – and both have been shot.

She finds herself on the hunt for a mysterious assassin who has been taking out London’s rich elite. But when she finally catches up with her quarry, she enters a world of deadly secrets: impossible documents about future stock market crashes; mysterious doppelgangers; and a conspiracy that threatens the entire human race.

To solve this mystery, Julia will have to revisit her undercover past and the brutal act that destroyed her once-legendary career . . .

'Nicholas Binge has quickly become my go-to fix for when I need some Michael Crichton in my life' – The Fantasy Hive

‘I was so tense I could feel every muscle locking up in my body’ – FanFiAddict

‘A sharp, intelligent, and potent shot of sci-fi thriller excellence’ – Ginger Nuts of Horror

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Readers are gripped by Extremity:

‘A wild race against time, clever and impossible to put down’ – 5* NetGalley Review, August 2025

‘A perfect balance of action, mystery and jeopardy’ – 5* NetGalley Review, August 2025

‘A great read, lots and lots of action’ – 5* NetGalley Review, August 2025