TY  - BOOK
AU  - Berger, Samantha
TI  - Then & now
SN  - 0-439-04602-5
AV  - KIT (LCER) 303.4 B35 1999
PY  - 1999///
CY  - New York
PB  - Scholastic
KW  - Technology and civilization
KW  - Juvenile literature
N2  - See how science technology change the world around us, by reading about these inventions
ER  -