Originally published: Great Britain: Piatkus, 2012.

A Woman Unknown 2016, St. Martin's Griffin, New York

ISBN-13: 9781250087171

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A Woman Unknown 2015, Minotaur Books, New York

ISBN-13: 9781250037046

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A Woman Unknown 2015, Thorndike Press

ISBN-13: 9781410480996

Large type / large print

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A Woman Unknown 2013, Magna Large Print Books, Long Preston

ISBN-13: 9780750537681

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