9780531147832 | Reprint edition (Childrens Pr, March 1, 2008), cover price $6.95 |
About this edition: - Clean new design for easy readability and comprehension- Updated text presented in a lively, continuous narrative- New center-spread sidebar feature presenting material in a fun, creative way- Excellent age-appropriate introduction to curriculum-relevant subjects- Words to Know glossary clarifies subject-specific vocabulary- Learn More section encourages independent study- Index makes navigating subject matter easy
9780531126332 | Childrens Pr, September 1, 2007, cover price $29.00 |
About this edition: - Clean new design for easy readability and comprehension- Updated text presented in a lively, continuous narrative- New center-spread sidebar feature presenting material in a fun, creative way- Excellent age-appropriate introduction to curriculum-relevant subjects- Words to Know glossary clarifies subject-specific vocabulary- Learn More section encourages independent study- Index makes navigating subject matter easy