A runner-up for the "Guardian" Award, by the author of "Crisis on Conshelf Ten". Bored with city life, Liza stows away with a scientific expedition into the snow fields. The dark ring in the sky forecasts a new ice age, the scientists seek to avert worldwide disaster, and Liza faces deadly danger.

Ring-rise, Ring-set 1990, Mammoth, London

ISBN-13: 9780749707859

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Ring-rise, Ring-set 1986, Heinemann Educational Publishers, Harlow

ISBN-13: 9780435123055

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Ring-rise, Ring-set 1983, Methuen Publishing Ltd, London

ISBN-13: 9780416229301

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Ring-Rise, Ring-Set 1982, J. MacRae Books, London, England

ISBN-13: 9780531044339

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Ring-rise, Ring-set 1982, Julia MacRae, London

ISBN-13: 9780862030698

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