TY  - BOOK
ED  - National Geographic Society (U.S.)
TI  - Why in the world?
SN  - 0870445731
U1  - 500 19
PY  - 1985///]
CY  - Washington, D.C.
PB  - National Geographic Society
KW  - Science
KW  - Miscellanea
KW  - Juvenile literature
KW  - Technology
KW  - Questions and answers
N1  - Includes index
N2  - Questions and answers on a wide range of subjects, including geophysical sciences, physiology, natural history, physics, and technology
ER  -