TY  - BOOK
AU  - Bulla,Clyde Robert
AU  - Adams,Adrienne
TI  - What makes a shadow?
T2  - Let's-read-and-find-out books
AV  - QC381.6 .B84
PY  - 1962///]
CY  - New York
PB  - Crowell
KW  - Shades and shadows
KW  - Juvenile literature
KW  - Shadows
N2  - A simple explanation of how a shadow is formed
ER  -