Reference guide includes mini-atlas, glossary, and index
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v.1. The earth and earth sciences - v.2. Physical sciences and technology - v. 3. The arts - v. 4. People in history - v. 5. Folklore and religions - v. 6. Europe - v. 7. Asia, Australia, and New Zealand - v. 8. Africa - v. 9. The Americas - v. 01. Plants - v. 11. Birds, insects, reptiles, and aquatic life - v. 21. Mammals - v. 31. Reference guide and index