TY  - BOOK
AU  - Bailey, Gerry,
AU  - Spoor, Mike.
TI  - Winding around: the screw 
T2  - The robotx get help from simple machines
SN  - 9780778704218 (bound)
U1  - 621.882 BAI 
PY  - 2013///
CY  - St Catharines, ON
PB  - Crabtree Publishing, 
KW  - Screws
KW  - Juvenile literature
KW  - Simple machines
N1  - Includes index; Issued also in electronic format
N2  - Explores the benefits and uses of the screw
ER  -