Winding around :
Bailey, Gerry, 1945-, author.
Winding around : the screw / written by Gerry Bailey ; illustrated by Mike Spoor. - St Catharines, ON : Crabtree Publishing, 2013. - 32 p. ; col. ill. - The robotx get help from simple machines .
Includes index.
Explores the benefits and uses of the screw.
9780778704218 (bound) 9780778704270 (pbk.)
20139087192
Screws--Juvenile literature.
Simple machines--Juvenile literature.
621.882 BAI
Winding around : the screw / written by Gerry Bailey ; illustrated by Mike Spoor. - St Catharines, ON : Crabtree Publishing, 2013. - 32 p. ; col. ill. - The robotx get help from simple machines .
Includes index.
Explores the benefits and uses of the screw.
9780778704218 (bound) 9780778704270 (pbk.)
20139087192
Screws--Juvenile literature.
Simple machines--Juvenile literature.
621.882 BAI