TY  - BOOK
AU  - Feather, Ralph M 
AU  - Snyder, Susan Leach 
AU  - Zike, Dinah,|d1952- 
ED  - National Geographic Society (U.S.) 
ED  - Glencoe/McGraw-Hill 
TI  - Earth science
SN  - 9780078778025
AV  - LT5260.G54  E27 2008
PY  - 2008///
CY  - New York, N.Y.
PB  - Glencoe/McGraw-Hill
KW  - Earth sciences
KW  - Study and teaching (Middle school)
KW  - Science
N1  - Includes index
N2  - Grades 6-8
ER  -