By Nature's Design: An Exploratorium Book
by Pat Murphy, William Neill
ISBN 13: 9780811803298
Format: Paperback (120 pages) Publisher: Chronicle Books Published: 28 Oct 1993
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Straight Lines
by William Neill
ISBN 13: 9780856404757
Format: Paperback (128 pages) Publisher: Blackstaff Press Ltd Published: 01 Mar 1992