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Nicaragua, 1974. In a land fractured by dictatorship, revolution, and foreign ambition, an unexpected discovery pulls strangers into a spiralling web of danger, betrayal, and impossible choices.

Tanya Mitchell, a British marine archaeologist, accepts a research posting on Nicaragua’s Mosquito Coast. When the political tide shifts violently, her knowledge becomes a liability. Imprisoned in a jungle blockhouse, she finds herself pregnant, isolated, and facing forces she barely understands.

Bob Cody, an idealistic young seminarian from Boston, arrives in Central America chasing spiritual purpose. What he finds is a region on the brink — where liberation theology clashes with Cold War realities. When Tanya’s plight reaches his ears, Cody defies orders and sets out to find her, guided only by a weathered map, a tribal guide, and his own faltering conviction.

At the centre is Dr. Paul Robertson-Nash, a British academic with revolutionary roots and a ruthless streak. Once Tanya’s mentor, he now manoeuvres across the shifting lines of power with a treasure in his sights — one that could change everything.

As rebel attacks rock the cities and a long-lost Spanish shipwreck resurfaces in the jungle lagoon, the lives of three outsiders entwine in a race against time. Love and loyalty, ideology and greed collide, forcing each to choose who they truly are — and what they’ll sacrifice.

The Colombian Exchange is a taut, character-driven thriller with historical depth and emotional punch. Inspired by real events and infused with the heat and tension of 1970s Central America, it asks urgent questions about complicity, courage, and the legacy of empires — all while delivering a gripping, human story.

All proceeds from this edition support UNICEF’s work with children in conflict zones