Sam Wendell discovers a Neanderthal boy, Adam, in the Caucasus. When Sam dies, his ex-lover, an anthropologist, decides to give Adam his birthright, genetic input that makes humans more civilised than cave-dwellers. Terrifying events are unleashed as modern intolerance and ancient instincts clash.

Birthright 1991, Fontana Press, London

ISBN-13: 9780006176473

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Birthright 1990, HarperPrism

ISBN-13: 9780061001024

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Birthright 1990, HarperCollins Publishers Ltd, London

ISBN-13: 9780002233866

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