1990 - Environmental Science 49 Science Fair Projects [Science Fair Projects Series] (Hardcover) → Paperback, Hardcover 1990 - Earth Science 49 Science Fair Projects [Science Fair Projects Series] (Hardcover) → Paperback 1989 - Botany 49 Science Fair Projects [Science Fair Project Series] (Hardcover) → Paperback, Hardcover   Botany 49 More Science Fair Projects (Paperback) → Paperback, Hardcover ISBN-13: 9780830634163 ISBN-10: 0830634169 Genres: Children's Books, Teens ? |
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