- Reading level: Ages 7 and up
- Hardcover: 44 pages
- Publisher: Cambridge University Press; 1 edition (September 3, 1987)
- Language: English
- ISBN-10: 0521335167
- ISBN-13: 978-0521335164
- Product Dimensions: 11.3 x 8.1 x 0.4 inches
- Shipping Weight: 12 ounces (View shipping rates and policies)
- Amazon Best Sellers Rank: #10,331,215 in Books (See Top 100 in Books)
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