TY  - BOOK
AU  - Beaver,John B.
TI  - Simple machines
T2  - Teacher Resource & Student Activity Book
SN  - 1580372120
U1  - 621.8 20
PY  - 2002///
CY  - [S.l.]
PB  - Mark Twain, Inc., Publishers
KW  - Science
KW  - Activity books
KW  - Simple Machines
KW  - Sears
N1  - Includes bibliographical references; 5-8+ Grades
ER  -