In the vast stillness of the South African Karoo, beneath a granite boulder on the eastern boundary of a farm, a hidden cave hums with something older than memory.

When sixteen-year-old Aiden van Wyk follows a painted tortoise into a fissure in the rock, he finds a boy standing in the dark who is unmistakably, impossibly himself. Same face. Same hands. The same stunned expression — but the buttons on the wrong side, and the mole above the wrong eyebrow. He is Aiden's exact mirror, from a parallel world where time runs in reverse: where people are born old and age toward nothing, where every life moves with quiet certainty toward a known zero.

The Parallel Cave is a novel in four movements, tracing Aiden's life from sixteen to thirty-one as he discovers what it costs to know yourself from the outside — and what it means to love someone whose ending is written into them at birth.

As the years pass and the two grow in opposite directions, a darkness begins pressing at the edges of the parallel world. Not violent. Not sudden. Simply an absence, advancing slowly, draining colour and sound from everything it touches. And on the farm, an old man has been keeping a secret for decades — one that will reshape everything Aiden thought he knew about the cave, the people who raised him, and the role he was always meant to play.

But the deepest danger is not the darkness. It is love. The kind that refuses to let go. The kind that builds plans and searches for escapes and cannot accept the difference between saving someone and witnessing them. Aiden will have to learn that difference — slowly, honestly, over the length of a life — before he can stand at the threshold and do what the ancient cave paintings have always instructed.

Set against the rock art, red earth, and enormous skies of the High Karoo — and moving between the Karoo plains and Cape Town over fifteen years — The Parallel Cave is a work of magical realism and literary fiction for readers who believe that the most extraordinary things happen quietly, in the dark, and are carried home in a pocket.

For readers of Kazuo Ishiguro, Damon Galgut, and Neil Gaiman.

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