Includes index.

v. 1. Poems and rhymes -- v. 2. Once upon a time -- v. 3. Art around us -- v. 4. The world of animals -- v. 5. The world of plants -- v. 6. Our earth -- v. 7. The universe -- v. 8. How does it happen? -- v. 9. How things work -- v. 10. Shapes and numbers -- v. 11. About you -- v. 12. Who we are -- v. 13. See the world -- v. 14. Celebrate! -- v. 15. Guide and index.