TY  - BOOK
AU  - Branley,Franklyn Mansfield
AU  - Borten,Helen
TI  - What makes day and night
T2  - Let's read and find out
AV  - QB633 .B73
U1  - 525/.35 
PY  - 1961///]
CY  - New York
PB  - Crowell
KW  - Day
KW  - Juvenile literature
KW  - Night
KW  - Earth
KW  - Rotation
N2  - A simple explanation of how the rotation of the earth causes night and day
ER  -