TY  - BOOK
AU  - Smoothey,Marion
TI  - Let's Investigate
T2  - Let's Investigate
SN  - 1854354639 (set)
AV  - Ref QA76 S658 L6 1993
PY  - 1993///
CY  - New York
PB  - Marshall Cavendish
KW  - General works
ER  -