TY  - BOOK
TI  - Earth & space science: inventive exercises to sharpen skills & raise achievement ; grades 6-8
SN  - 9781629500201
U1  - 500 E128 2010 
PY  - 2010///
CY  - Chicago
PB  - World Book, Inc.
KW  - Earth science
KW  - Space science
ER  -