TY  - BOOK
AU  - Hoffman,Jane
AU  - Ostroff,Lanny
TI  - Backyard scientist
SN  - 0961866322
AV  - Q164 .H644 1989
U1  - 507.8 20
PY  - 1989///
CY  - Irvine, CA
PB  - Backyard Scientist/J. Hoffman
KW  - Science
KW  - Experiments
KW  - Juvenile literature
N1  - "Ages 9 years to 14 years"--Cover
ER  -