TY  - BOOK
AU  - Adler, Irving
AU  - Adler, Ruth 
TI  - Shadows / 
T2  - The reason Why Series 
AV  - PZ7 
PY  - 1961///
CY  - New York : 
PB  - The John Day Company , 
N1  - M
; 550
; Lexile estimate
; M
; Raz-Plus

N2  - A simple explanation of what shadows are, how and when they exist, and what they tell us about the size and shape of objects around us
ER  -