Rourke's world of science encyclopedia. - Freeman, Marcia S. (Vero Beach, Florida : Rourke Publishing, 2011)
v. 1. Human life -- v. 2. Animal life -- v. 3. Plant & fungi life -- v. 4. Earth science -- v. 5. Chemistry -- v. 6. Physics -- v. 7. Astronomy & space -- v. 8. Mathematics -- v. 9. Technology -- v. 10. Research projects / Cumulative Index & Glossary.
NLP
Keywords: Science -- Encyclopedias, Juvenile; Technology -- Encyclopedias, Juvenile