The Sleepwalker

The brand new 2025 Detective Joona Linna crime thriller

Lars Kepler

$34.99

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English

BONNIER
01 August 2025

Fiction & Literature; Crime & Mystery; Thriller & suspense; Fiction in translation

An alarm sounds in in the middle of the night for a burglary in progress at a winter-closed campsite in Bredäng, outside Stockholm.

The nearest police car answers the call. There is a light in one of the farthest caravans and when the officers open the door they are greeted by a horrific sight. Floors, walls and furniture are completely covered in blood. A man has been killed with an axe and brutally dismembered.

On the floor of one of the rooms lies a young man sleeping with a severed arm as a pillow. He is arrested and taken to Kronoberg prison, identified as seventeen-year-old Hugo Sand, the son of a famous writer.

It turns out that Hugo suffers from an unusual kind of somnambulism that is activated by nightmares. He can either be a perpetrator or a witness, but claims himself that he remembers nothing from the night.

Detective Joona Linna, who is connected to the case, contacts her old friend Erik Maria Bark to use hypnosis to try to find out what happened inside the caravan. This becomes the starting point for a complicated hunt for a serial killer who has just entered an extremely active phase.

By: Lars Kepler
Imprint: BONNIER
Country of Publication: United Kingdom
Dimensions: Height: 234mm, Width: 153mm,
ISBN: 9781838777913
ISBN 10: 1838777911
Pages: 400
Publication Date: 01 August 2025
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Forthcoming

Lars Kepler is the pseudonym of critically acclaimed husband and wife team Alexandra Coelho Ahndoril (b. 1966) and Alexander Ahndoril (b. 1967), authors of the No. 1 internationally bestselling Joona Linna series. With seven instalments to date, the series has sold 15 million copies in 40 languages. The Ahndorils were both established writers before they adopted the pen name Lars Kepler, and have each published several acclaimed novels.

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The Sleepwalker

The brand new 2025 Detective Joona Linna crime thriller

Lars Kepler

$34.99

Paperback

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The Sleepwalker

The brand new 2025 Detective Joona Linna crime thriller

Lars Kepler

$34.99

Paperback

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