TY  - BOOK
AU  - Badders, William
TI  - Houghton Mifflin science discoveryworks. [Level 2]
SN  - 9780618167685
U1  - 371.3028 HOU 
PY  - 2003///
CY  - Boston
PB  - Houghton Mifflin Company
KW  - Methods of instruction and study
ER  -