Unit 1 Insects
Insect Message . . . . . . . . . . . . . .
1 . Animals With Six Legs . . . . . . . . . .
2. The Sheath Wings . . . . . . . . . . . .
3. The Scaly Wings . . . . . . . . . . . . .
4. Paper Makers, Masons, and Diggers . . .
5. Trails and Tunnels of the Membrane Wings
 

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7. Tiny Friends . . . . . . . . . . . . . . .

Unit 2 Birds
My Father's Care . . . . . . . . . . . . .
8. Animals With Two Legs . . . . . . . . . .
9. Riding on the Air . . . . . . . . . . . . .
10. Nests . . . . . . . . . . . . . . . . . .
11. What Do I Eat? Where Do I Live? . . . . .
12. At Home in Marsh, on River, and on Lake
 

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14. The Taloned Hunters . . . . . . . . . . .
15. Feathered Housekeepers . . . . . . . . .
16. Food for a King . . . . . . . . . . . . .
17. By Iceberg and Glacier . . . . . . . . . .
18. The Appointed Journey . . . . . . . . . .

Unit 3 Arachnids, Myriapods, and Earthworms
God Giveth Food . . . . . . . . . . . . . . .
 

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20. Masters of Silk . . . . . . . . . . . . . . . .
21. Little Pink Farmer . . . . . . . . . . . . . . .

Unit 4 Flowers
Flower Song . . . . . . . . . . . . . . . . .
22. Pollen-Seed Source and Insect Food . . . . .
23. Blowballs and Seed Guns . . . . . . . . . .
24. Number Three, Quick Tricks, and Shooting Stars
25. Brown Fur and Triggers . . . . . . . . . . .
26. Seeds to Eat, Star Flowers, and Golden Plumes

Unit 5 Reptiles
To a Green Sea Turtle . . . . . . . . . . . .
27. A Roar From the Swamp . . . . . . . . . . .
28. Creature of Mystery . . . . . . . . . . . . .
29. Some Reptile Puzzles . . . . . . . . . . . .
30. Too Wonderful for Me . . . . . . . . . . . .

Appendix . . . . . . . . . . . . . . . . . . . . . .
Glossary-index . . . . . . . . . . . . . . . . . .