  2000 - Turning Point Inventions Clock [Turning Point Inventions] (Hardcover) ISBN-13: 9780689828140 ISBN-10: 0689828144 Genres: Children's Books, Science & Math ?  The Vanishing Wetlands [Impact Books] (Other) ISBN-13: 9780531130346 ISBN-10: 0531130347 Genres: Teen & Young Adult, Science & Math, Engineering & Transportation ? |
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