TY  - BOOK
AU  - Mcmillan,Dawn
AU  - Johnson,Sara
TI  - Night Skies: Variables, Expressions, and Equations 
T2  - Algebra and Algebraic Thinking
U1  - 512 23
PY  - 2009///]
CY  - Huntington Beach : 
PB  - Teacher Created Materials, 
KW  - Equations
KW  - Juvenile literature
KW  - Variables (Mathematics)
N1  - Includes index and answer key
N2  - Read about the different planets in our solar system and what makes each planet unique while exploring the formulation of mathematical equations as Night Skies takes you on a journey through space
ER  -