TY  - BOOK
TI  - A Child's first library of learning : : Science starter.  
SN  - 0809448815  
AV  - Q 163  .Sc416 1989
U1  - REF 500 
PY  - 1989///
CY  - Hongkong 
PB  - Time-life books
N1  - Basic Ed. Students
ER  -