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William Friend

Author of literary horror and thrillers

About me

My name is William Friend

I'm a writer based in Hertfordshire, in the United Kingdom. My debut novel, Let Him In, was published in the US in 2023, having been published in the UK the previous year, under the title Black Mamba. My second novel, And the Sea Gave Up the Dead, was published by Sourcebooks in 2026.

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Great fun... the suspense slips its slow
coils around you.

The Daily Mail

Review of Let Him In

Books

Out now in 2026

Book cover of And the Sea Gave Up the Dead, published by Poisoned Pen Press

And the Sea Gave Up the Dead 

Morwenna knows she needs to visit Bethan. Her aunt is wasting away in the family's crumbling chateau by the French seaside, where she's lived alone since the mysterious disappearance of her husband. When a disturbing phone call from Bethan finally pushes her to act, Morwenna packs up her children and new partner to stay for a week. 

But the chateau changes people. Old magic has seeped into the ground. The villagers remember what happened there, centuries ago. They remember who died, and what came back. Soon, the house will leave its mark on Morwenna's family. And unless she learns the truth about what happened to her uncle, a dark history may repeat itself inside its walls...

Let Him In

Book cover of Let Him In by William Friend, published by Poisoned Pen Press

Grief has settled in at Hart House. For nine months, Alfie has been caring for his twin seven-year-old daughters after the sudden death of their mother, Pippa. One night, Alfie wakes to find Sylvie and Cassia at the foot of his bed, claiming there’s a man in their room. Alfie finds no sign of a man, but it isn’t long before the girls start talking about an imaginary friend. What seemingly begins as a harmless coping mechanism for the two grieving girls quickly develops into something more insidious.

Alfie calls upon Julia—Pippa’s twin and a psychiatrist—to oust the malignant tenant from their lives. But he doesn’t want to leave. As his malevolent grip on the girls tightens—with increasingly dark and violent consequences—Alfie and Julia must contend with their own unspoken sense of loss, the haunting past of the house itself, and the true character of the force that has poisoned the girls’ minds.

Book cover of Lascialo Entrare by William Friend, published by Newton Compton

Lascialo Entrare, Italian Edition

Book cover of Black Mamba by William Friend, published by Atlantic Books

Black Mamba, UK Edition

Book cover of Déjalo Entrar by William Friend, published by Newton Compton

Déjalo Entrar, Spanish Edition

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Buy my books at any of the links below

Book cover of And the Sea Gave Up the Dead, published by Poisoned Pen Press
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For all inquiries, please email:

williamfriendauthor@gmail.com

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