TY  - BOOK
AU  - Canizares, Susan,
TI  - Simple machines
SN  - 155268587x
AV  - TJ147 .C36 1999
U1  - E CAN 
PY  - 1999///
CY  - New York
PB  - Scholastic
KW  - Simple machines
KW  - Juvenile fiction
N2  - Rhyming text and photographs explore the many tasks that can be performed by such simple machines as springs, ramps, and pulleys
ER  -