- Paperback: 147 pages
- Publisher: Natl Center for Science Education; 2nd edition (June 1992)
- Language: English
- ISBN-10: 0939873524
- ISBN-13: 978-0939873524
- Product Dimensions: 8.4 x 5.5 x 0.3 inches
- Shipping Weight: 5.6 ounces
- Average Customer Review: 5.0 out of 5 stars See all reviews (1 customer review)
- Amazon Best Sellers Rank: #3,659,894 in Books (See Top 100 in Books)
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