A spin-off from international bestseller Indridason's critically acclaimed Reykjavic-set novel, The Shadow District.

'The undisputed King of the Icelandic Thriller' Guardian
'One of the greats of modern crime fiction' Sunday Times
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A frozen body is discovered in the icy depths of Langj kull glacier.

The victim- a businessman missing for thirty years.

The case- impossible to solve. Until now.

Konrad, the retired policeman who originally investigated the disappearance, is called back to reopen the case that has weighed on his mind for decades.

Then a woman approaches him with new information that she obtained from her deceased brother.

Will this be enough to solve the mystery at last?

Can Konrad uncover the poisonous secrets and cruel truths that have built up over the decades?

In The Darkness Knows, the master of Icelandic crime writing returns with a powerful and haunting story about the poisonous secrets and cruel truths that time eventually uncovers.