TY  - BOOK
AU  - Rosinsky,Natalie M.
AU  - John,Matthew
TI  - Rocks: hard, soft, smooth, and rough 
T2  - Amazing science
SN  - 1404800158 (lib. bdg. : alk. paper)
AV  - QE432.2 .R67 2003
U1  - 552 21
CY  - Minneapolis, Minn.
PB  - Picture Window Books
KW  - Rocks
KW  - Juvenile literature
N1  - Includes bibliographical references (p. 24) and index; The story of rocks -- Igneous rocks -- Sedimentary rocks -- Metamorphic rocks -- Rocks chart -- Activities -- Rock solid facts: Mohs hardness scale
ER  -