- Unbound: 267 pages
- Publisher: Science House (1969)
- Language: English
- ISBN-10: 0876680252
- ISBN-13: 978-0876680254
- Product Dimensions: 8.2 x 5.6 x 1.3 inches
- Shipping Weight: 1.2 pounds
- Amazon Best Sellers Rank: #6,137,989 in Books (See Top 100 in Books)
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