Valley Road primary school has seen better days - the pupils run wild and the teachers have given up hope. Then a large black cat wanders in through the gates and everything begins to change. With black and white line illustrations by Mark Robertson.

Size Twelve 2008, Catnip Publishing Ltd, London

ISBN-13: 9781846470684

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Size Twelve 1999, Mammoth, London

ISBN-13: 9780749735005

New edition

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Size Twelve 1993, Methuen young books, London

ISBN-13: 9780434976836

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