- Paperback: 187 pages
- Publisher: Natl Science Teachers Assn (October 1990)
- Language: English
- ISBN-10: 0873550900
- ISBN-13: 978-0873550901
- Product Dimensions: 9 x 6 x 0.5 inches
- Shipping Weight: 10.4 ounces
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- Amazon.com Sales Rank: #7,047,568 in Books (See Bestsellers in Books)
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