'The Hollow Mountain is possibly the best yet' - S.G. MacLean

The Tunnel Tigers were an elite group of construction workers who specialised in a lucrative but hazardous profession – blasting tunnels through mountains and under rivers, in dangerous conditions few men could endure.

Alice Larkin, the headstrong daughter of a millionaire and former news reporter, claims her lover, a Tunnel Tiger, died in mysterious circumstances many years ago, and she wants journalist Rebecca Connolly to investigate.

Intrigued, Rebecca throws herself into investigating the story, but she soon comes face to face with an old adversary. Family legacies and influential reputations are at stake – and danger is shockingly close to home.

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'a superbly crafted Scottish thriller... The two strands of the story, separated in time by six decades, weave together beautifully as the book builds towards its shocking climax'

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'The hallmark of any successful novel is when you immediately surrender yourself to the world in which the characters reside. In this sixth instalment, I did just that... utterly absorbing'

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'Skelton has delivered a shocking, brutal and yet gloriously well-written book which speaks to human nature and the pursuit of justice in a flawed and dangerous world'

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'Douglas has long been one of our favourite writers... so thrilling to read'

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'Few writers have the stylistic range that Douglas Skelton does...there are familiar faces, family secrets, political machinations, and at least one terrible event that will shock readers'

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'like a watercolour artist Skelton paints in a layer at a time from background scene-setting through bolder colours and final arresting details – and once the tension starts to ratchet up, you’ll be hard-pressed to put the book down'