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The Calculator Puzzle Book (Paperfronts)

by Claude Birtwistle

ISBN 13: 9780716006367

Format: Paperback (128 pages)
Publisher: Elliot Right Way Books
Published: 17 Apr 1978

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Help Your Child with the New Mathematics (Paperfronts S.)

by Claude Birtwistle

ISBN 13: 9780716006756

Format: Paperback (192 pages)
Publisher: Elliot Right Way Books
Published: 13 Apr 1982

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